691231968

素因数分解:

$2^5\times 3^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 384

約数和(自身を含む): 2499517440

約数和(自身を除く): 1808285472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 32, 34, 36, 42, 48, 51, 54, 56, 63, 68, 72, 81, 83, 84, 96, 102, 108, 112, 119, 126, 136, 144, 153, 162, 166, 168, 189, 204, 216, 224, 238, 243, 249, 252, 272, 288, 306, 324, 332, 336, 357, 378, 408, 432, 459, 476, 486, 498, 504, 544, 567, 581, 612, 648, 664, 672, 714, 729, 747, 756, 816, 864, 918, 952, 972, 996, 1008, 1071, 1134, 1162, 1224, 1296, 1328, 1377, 1411, 1428, 1458, 1494, 1512, 1632, 1701, 1743, 1836, 1904, 1944, 1992, 2016, 2142, 2187, 2241, 2268, 2324, 2448, 2592, 2656, 2754, 2822, 2856, 2916, 2988, 3024, 3213, 3402, 3486, 3672, 3808, 3888, 3984, 4131, 4233, 4284, 4374, 4482, 4536, 4648, 4896, 5103, 5229, 5508, 5644, 5712, 5832, 5976, 6048, 6426, 6723, 6804, 6972, 7344, 7776, 7968, 8262, 8466, 8568, 8748, 8964, 9072, 9296, 9639, 9877, 10206, 10458, 11016, 11288, 11424, 11664, 11952, 12393, 12699, 12852, 13446, 13608, 13944, 14688, 15309, 15687, 16524, 16932, 17136, 17496, 17928, 18144, 18592, 19278, 19754, 20169, 20412, 20916, 22032, 22576, 23328, 23904, 24786, 25398, 25704, 26892, 27216, 27888, 28917, 29631, 30618, 31374, 33048, 33864, 34272, 34992, 35856, 37179, 38097, 38556, 39508, 40338, 40824, 41832, 44064, 45152, 47061, 49572, 50796, 51408, 53784, 54432, 55776, 57834, 59262, 60507, 61236, 62748, 66096, 67728, 69984, 71712, 74358, 76194, 77112, 79016, 80676, 81648, 83664, 86751, 88893, 94122, 99144, 101592, 102816, 107568, 114291, 115668, 118524, 121014, 122472, 125496, 132192, 135456, 141183, 148716, 152388, 154224, 158032, 161352, 163296, 167328, 173502, 177786, 181521, 188244, 198288, 203184, 215136, 228582, 231336, 237048, 242028, 244944, 250992, 260253, 266679, 282366, 297432, 304776, 308448, 316064, 322704, 342873, 347004, 355572, 363042, 376488, 396576, 406368, 423549, 457164, 462672, 474096, 484056, 489888, 501984, 520506, 533358, 564732, 594864, 609552, 645408, 685746, 694008, 711144, 726084, 752976, 800037, 847098, 914328, 925344, 948192, 968112, 1028619, 1041012, 1066716, 1129464, 1189728, 1219104, 1270647, 1371492, 1388016, 1422288, 1452168, 1505952, 1600074, 1694196, 1828656, 1936224, 2057238, 2082024, 2133432, 2258928, 2400111, 2541294, 2742984, 2776032, 2844576, 2904336, 3085857, 3200148, 3388392, 3657312, 4114476, 4164048, 4266864, 4517856, 4800222, 5082588, 5485968, 5808672, 6171714, 6400296, 6776784, 7200333, 8228952, 8328096, 8533728, 9600444, 10165176, 10971936, 12343428, 12800592, 13553568, 14400666, 16457904, 19200888, 20330352, 21600999, 24686856, 25601184, 28801332, 32915808, 38401776, 40660704, 43201998, 49373712, 57602664, 76803552, 86403996, 98747424, 115205328, 172807992, 230410656, 345615984, 691231968]

約数ペア:

[(1, 691231968), (2, 345615984), (3, 230410656), (4, 172807992), (6, 115205328), (7, 98747424), (8, 86403996), (9, 76803552), (12, 57602664), (14, 49373712), (16, 43201998), (17, 40660704), (18, 38401776), (21, 32915808), (24, 28801332), (27, 25601184), (28, 24686856), (32, 21600999), (34, 20330352), (36, 19200888), (42, 16457904), (48, 14400666), (51, 13553568), (54, 12800592), (56, 12343428), (63, 10971936), (68, 10165176), (72, 9600444), (81, 8533728), (83, 8328096), (84, 8228952), (96, 7200333), (102, 6776784), (108, 6400296), (112, 6171714), (119, 5808672), (126, 5485968), (136, 5082588), (144, 4800222), (153, 4517856), (162, 4266864), (166, 4164048), (168, 4114476), (189, 3657312), (204, 3388392), (216, 3200148), (224, 3085857), (238, 2904336), (243, 2844576), (249, 2776032), (252, 2742984), (272, 2541294), (288, 2400111), (306, 2258928), (324, 2133432), (332, 2082024), (336, 2057238), (357, 1936224), (378, 1828656), (408, 1694196), (432, 1600074), (459, 1505952), (476, 1452168), (486, 1422288), (498, 1388016), (504, 1371492), (544, 1270647), (567, 1219104), (581, 1189728), (612, 1129464), (648, 1066716), (664, 1041012), (672, 1028619), (714, 968112), (729, 948192), (747, 925344), (756, 914328), (816, 847098), (864, 800037), (918, 752976), (952, 726084), (972, 711144), (996, 694008), (1008, 685746), (1071, 645408), (1134, 609552), (1162, 594864), (1224, 564732), (1296, 533358), (1328, 520506), (1377, 501984), (1411, 489888), (1428, 484056), (1458, 474096), (1494, 462672), (1512, 457164), (1632, 423549), (1701, 406368), (1743, 396576), (1836, 376488), (1904, 363042), (1944, 355572), (1992, 347004), (2016, 342873), (2142, 322704), (2187, 316064), (2241, 308448), (2268, 304776), (2324, 297432), (2448, 282366), (2592, 266679), (2656, 260253), (2754, 250992), (2822, 244944), (2856, 242028), (2916, 237048), (2988, 231336), (3024, 228582), (3213, 215136), (3402, 203184), (3486, 198288), (3672, 188244), (3808, 181521), (3888, 177786), (3984, 173502), (4131, 167328), (4233, 163296), (4284, 161352), (4374, 158032), (4482, 154224), (4536, 152388), (4648, 148716), (4896, 141183), (5103, 135456), (5229, 132192), (5508, 125496), (5644, 122472), (5712, 121014), (5832, 118524), (5976, 115668), (6048, 114291), (6426, 107568), (6723, 102816), (6804, 101592), (6972, 99144), (7344, 94122), (7776, 88893), (7968, 86751), (8262, 83664), (8466, 81648), (8568, 80676), (8748, 79016), (8964, 77112), (9072, 76194), (9296, 74358), (9639, 71712), (9877, 69984), (10206, 67728), (10458, 66096), (11016, 62748), (11288, 61236), (11424, 60507), (11664, 59262), (11952, 57834), (12393, 55776), (12699, 54432), (12852, 53784), (13446, 51408), (13608, 50796), (13944, 49572), (14688, 47061), (15309, 45152), (15687, 44064), (16524, 41832), (16932, 40824), (17136, 40338), (17496, 39508), (17928, 38556), (18144, 38097), (18592, 37179), (19278, 35856), (19754, 34992), (20169, 34272), (20412, 33864), (20916, 33048), (22032, 31374), (22576, 30618), (23328, 29631), (23904, 28917), (24786, 27888), (25398, 27216), (25704, 26892)]