321003760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 984508416

約数和(自身を除く): 663504656

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 41, 44, 55, 56, 62, 70, 77, 80, 82, 88, 110, 112, 124, 140, 154, 155, 164, 176, 205, 217, 220, 248, 280, 287, 308, 310, 328, 341, 385, 410, 434, 440, 451, 496, 560, 574, 616, 620, 656, 682, 770, 820, 868, 880, 902, 1085, 1148, 1232, 1240, 1271, 1364, 1435, 1540, 1640, 1681, 1705, 1736, 1804, 2170, 2255, 2296, 2387, 2480, 2542, 2728, 2870, 3080, 3157, 3280, 3362, 3410, 3472, 3608, 4340, 4510, 4592, 4774, 5084, 5456, 5740, 6160, 6314, 6355, 6724, 6820, 7216, 8405, 8680, 8897, 9020, 9548, 10168, 11480, 11767, 11935, 12628, 12710, 13448, 13640, 13981, 15785, 16810, 17360, 17794, 18040, 18491, 19096, 20336, 22960, 23534, 23870, 25256, 25420, 26896, 27280, 27962, 31570, 33620, 35588, 36080, 36982, 38192, 44485, 47068, 47740, 50512, 50840, 52111, 55924, 58835, 63140, 67240, 69905, 71176, 73964, 88970, 92455, 94136, 95480, 97867, 101680, 104222, 111848, 117670, 126280, 129437, 134480, 139810, 142352, 147928, 177940, 184910, 188272, 190960, 195734, 208444, 223696, 235340, 252560, 258874, 260555, 279620, 295856, 355880, 364777, 369820, 391468, 416888, 470680, 489335, 517748, 521110, 559240, 573221, 647185, 711760, 729554, 739640, 782936, 833776, 941360, 978670, 1035496, 1042220, 1118480, 1146442, 1294370, 1459108, 1479280, 1565872, 1823885, 1957340, 2070992, 2084440, 2292884, 2588740, 2866105, 2918216, 3647770, 3914680, 4012547, 4168880, 4585768, 5177480, 5732210, 5836432, 7295540, 7829360, 8025094, 9171536, 10354960, 11464420, 14591080, 16050188, 20062735, 22928840, 29182160, 32100376, 40125470, 45857680, 64200752, 80250940, 160501880, 321003760]

約数ペア:

[(1, 321003760), (2, 160501880), (4, 80250940), (5, 64200752), (7, 45857680), (8, 40125470), (10, 32100376), (11, 29182160), (14, 22928840), (16, 20062735), (20, 16050188), (22, 14591080), (28, 11464420), (31, 10354960), (35, 9171536), (40, 8025094), (41, 7829360), (44, 7295540), (55, 5836432), (56, 5732210), (62, 5177480), (70, 4585768), (77, 4168880), (80, 4012547), (82, 3914680), (88, 3647770), (110, 2918216), (112, 2866105), (124, 2588740), (140, 2292884), (154, 2084440), (155, 2070992), (164, 1957340), (176, 1823885), (205, 1565872), (217, 1479280), (220, 1459108), (248, 1294370), (280, 1146442), (287, 1118480), (308, 1042220), (310, 1035496), (328, 978670), (341, 941360), (385, 833776), (410, 782936), (434, 739640), (440, 729554), (451, 711760), (496, 647185), (560, 573221), (574, 559240), (616, 521110), (620, 517748), (656, 489335), (682, 470680), (770, 416888), (820, 391468), (868, 369820), (880, 364777), (902, 355880), (1085, 295856), (1148, 279620), (1232, 260555), (1240, 258874), (1271, 252560), (1364, 235340), (1435, 223696), (1540, 208444), (1640, 195734), (1681, 190960), (1705, 188272), (1736, 184910), (1804, 177940), (2170, 147928), (2255, 142352), (2296, 139810), (2387, 134480), (2480, 129437), (2542, 126280), (2728, 117670), (2870, 111848), (3080, 104222), (3157, 101680), (3280, 97867), (3362, 95480), (3410, 94136), (3472, 92455), (3608, 88970), (4340, 73964), (4510, 71176), (4592, 69905), (4774, 67240), (5084, 63140), (5456, 58835), (5740, 55924), (6160, 52111), (6314, 50840), (6355, 50512), (6724, 47740), (6820, 47068), (7216, 44485), (8405, 38192), (8680, 36982), (8897, 36080), (9020, 35588), (9548, 33620), (10168, 31570), (11480, 27962), (11767, 27280), (11935, 26896), (12628, 25420), (12710, 25256), (13448, 23870), (13640, 23534), (13981, 22960), (15785, 20336), (16810, 19096), (17360, 18491), (17794, 18040)]