538168680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:221

約数の個数: 288

約数和(自身を含む): 2088552960

約数和(自身を除く): 1550384280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 83, 84, 90, 93, 105, 120, 124, 126, 140, 155, 166, 168, 180, 186, 210, 217, 248, 249, 252, 279, 280, 310, 315, 332, 360, 372, 415, 420, 434, 465, 498, 504, 558, 581, 620, 630, 651, 664, 744, 747, 830, 840, 868, 930, 996, 1085, 1116, 1162, 1240, 1245, 1260, 1302, 1395, 1494, 1660, 1736, 1743, 1860, 1953, 1992, 2170, 2232, 2324, 2490, 2520, 2573, 2604, 2790, 2905, 2988, 3255, 3320, 3486, 3720, 3735, 3906, 4340, 4648, 4980, 5146, 5208, 5229, 5580, 5810, 5976, 6510, 6889, 6972, 7470, 7719, 7812, 8680, 8715, 9765, 9960, 10292, 10458, 11160, 11620, 12865, 13020, 13778, 13944, 14940, 15438, 15624, 17430, 18011, 19530, 20584, 20667, 20916, 23157, 23240, 25730, 26040, 26145, 27556, 29880, 30876, 34445, 34860, 36022, 38595, 39060, 41334, 41832, 46314, 48223, 51460, 52290, 54033, 55112, 61752, 62001, 68890, 69720, 72044, 77190, 78120, 82668, 90055, 92628, 96446, 102920, 103335, 104580, 108066, 115785, 124002, 137780, 144088, 144669, 154380, 162099, 165336, 180110, 185256, 192892, 206670, 209160, 213559, 216132, 231570, 241115, 248004, 270165, 275560, 289338, 308760, 310005, 324198, 360220, 385784, 413340, 427118, 432264, 434007, 463140, 482230, 496008, 540330, 578676, 620010, 640677, 648396, 720440, 723345, 810495, 826680, 854236, 868014, 926280, 964460, 1067795, 1080660, 1157352, 1240020, 1281354, 1296792, 1446690, 1494913, 1620990, 1708472, 1736028, 1922031, 1928920, 2135590, 2161320, 2170035, 2480040, 2562708, 2893380, 2989826, 3203385, 3241980, 3472056, 3844062, 4271180, 4340070, 4484739, 5125416, 5786760, 5979652, 6406770, 6483960, 7474565, 7688124, 8542360, 8680140, 8969478, 9610155, 11959304, 12813540, 13454217, 14949130, 15376248, 17360280, 17938956, 19220310, 22423695, 25627080, 26908434, 29898260, 35877912, 38440620, 44847390, 53816868, 59796520, 67271085, 76881240, 89694780, 107633736, 134542170, 179389560, 269084340, 538168680]

約数ペア:

[(1, 538168680), (2, 269084340), (3, 179389560), (4, 134542170), (5, 107633736), (6, 89694780), (7, 76881240), (8, 67271085), (9, 59796520), (10, 53816868), (12, 44847390), (14, 38440620), (15, 35877912), (18, 29898260), (20, 26908434), (21, 25627080), (24, 22423695), (28, 19220310), (30, 17938956), (31, 17360280), (35, 15376248), (36, 14949130), (40, 13454217), (42, 12813540), (45, 11959304), (56, 9610155), (60, 8969478), (62, 8680140), (63, 8542360), (70, 7688124), (72, 7474565), (83, 6483960), (84, 6406770), (90, 5979652), (93, 5786760), (105, 5125416), (120, 4484739), (124, 4340070), (126, 4271180), (140, 3844062), (155, 3472056), (166, 3241980), (168, 3203385), (180, 2989826), (186, 2893380), (210, 2562708), (217, 2480040), (248, 2170035), (249, 2161320), (252, 2135590), (279, 1928920), (280, 1922031), (310, 1736028), (315, 1708472), (332, 1620990), (360, 1494913), (372, 1446690), (415, 1296792), (420, 1281354), (434, 1240020), (465, 1157352), (498, 1080660), (504, 1067795), (558, 964460), (581, 926280), (620, 868014), (630, 854236), (651, 826680), (664, 810495), (744, 723345), (747, 720440), (830, 648396), (840, 640677), (868, 620010), (930, 578676), (996, 540330), (1085, 496008), (1116, 482230), (1162, 463140), (1240, 434007), (1245, 432264), (1260, 427118), (1302, 413340), (1395, 385784), (1494, 360220), (1660, 324198), (1736, 310005), (1743, 308760), (1860, 289338), (1953, 275560), (1992, 270165), (2170, 248004), (2232, 241115), (2324, 231570), (2490, 216132), (2520, 213559), (2573, 209160), (2604, 206670), (2790, 192892), (2905, 185256), (2988, 180110), (3255, 165336), (3320, 162099), (3486, 154380), (3720, 144669), (3735, 144088), (3906, 137780), (4340, 124002), (4648, 115785), (4980, 108066), (5146, 104580), (5208, 103335), (5229, 102920), (5580, 96446), (5810, 92628), (5976, 90055), (6510, 82668), (6889, 78120), (6972, 77190), (7470, 72044), (7719, 69720), (7812, 68890), (8680, 62001), (8715, 61752), (9765, 55112), (9960, 54033), (10292, 52290), (10458, 51460), (11160, 48223), (11620, 46314), (12865, 41832), (13020, 41334), (13778, 39060), (13944, 38595), (14940, 36022), (15438, 34860), (15624, 34445), (17430, 30876), (18011, 29880), (19530, 27556), (20584, 26145), (20667, 26040), (20916, 25730), (23157, 23240)]