321765240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 992347200

約数和(自身を除く): 670581960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 113, 120, 122, 183, 226, 244, 305, 339, 366, 389, 452, 488, 565, 610, 678, 732, 778, 904, 915, 1130, 1167, 1220, 1356, 1464, 1556, 1695, 1830, 1945, 2260, 2334, 2440, 2712, 3112, 3390, 3660, 3890, 4520, 4668, 5835, 6780, 6893, 7320, 7780, 9336, 11670, 13560, 13786, 15560, 20679, 23340, 23729, 27572, 34465, 41358, 43957, 46680, 47458, 55144, 68930, 71187, 82716, 87914, 94916, 103395, 118645, 131871, 137860, 142374, 165432, 175828, 189832, 206790, 219785, 237290, 263742, 275720, 284748, 351656, 355935, 413580, 439570, 474580, 527484, 569496, 659355, 711870, 827160, 879140, 949160, 1054968, 1318710, 1423740, 1758280, 2637420, 2681377, 2847480, 5274840, 5362754, 8044131, 10725508, 13406885, 16088262, 21451016, 26813770, 32176524, 40220655, 53627540, 64353048, 80441310, 107255080, 160882620, 321765240]

約数ペア:

[(1, 321765240), (2, 160882620), (3, 107255080), (4, 80441310), (5, 64353048), (6, 53627540), (8, 40220655), (10, 32176524), (12, 26813770), (15, 21451016), (20, 16088262), (24, 13406885), (30, 10725508), (40, 8044131), (60, 5362754), (61, 5274840), (113, 2847480), (120, 2681377), (122, 2637420), (183, 1758280), (226, 1423740), (244, 1318710), (305, 1054968), (339, 949160), (366, 879140), (389, 827160), (452, 711870), (488, 659355), (565, 569496), (610, 527484), (678, 474580), (732, 439570), (778, 413580), (904, 355935), (915, 351656), (1130, 284748), (1167, 275720), (1220, 263742), (1356, 237290), (1464, 219785), (1556, 206790), (1695, 189832), (1830, 175828), (1945, 165432), (2260, 142374), (2334, 137860), (2440, 131871), (2712, 118645), (3112, 103395), (3390, 94916), (3660, 87914), (3890, 82716), (4520, 71187), (4668, 68930), (5835, 55144), (6780, 47458), (6893, 46680), (7320, 43957), (7780, 41358), (9336, 34465), (11670, 27572), (13560, 23729), (13786, 23340), (15560, 20679)]