220782120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1$

素因数の和:795

約数の個数: 128

約数和(自身を含む): 717171840

約数和(自身を除く): 496389720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 307, 312, 390, 461, 520, 614, 780, 921, 922, 1228, 1383, 1535, 1560, 1842, 1844, 2305, 2456, 2766, 3070, 3684, 3688, 3991, 4605, 4610, 5532, 5993, 6140, 6915, 7368, 7982, 9210, 9220, 11064, 11973, 11986, 12280, 13830, 15964, 17979, 18420, 18440, 19955, 23946, 23972, 27660, 29965, 31928, 35958, 36840, 39910, 47892, 47944, 55320, 59865, 59930, 71916, 79820, 89895, 95784, 119730, 119860, 141527, 143832, 159640, 179790, 239460, 239720, 283054, 359580, 424581, 478920, 566108, 707635, 719160, 849162, 1132216, 1415270, 1698324, 1839851, 2122905, 2830540, 3396648, 3679702, 4245810, 5519553, 5661080, 7359404, 8491620, 9199255, 11039106, 14718808, 16983240, 18398510, 22078212, 27597765, 36797020, 44156424, 55195530, 73594040, 110391060, 220782120]

約数ペア:

[(1, 220782120), (2, 110391060), (3, 73594040), (4, 55195530), (5, 44156424), (6, 36797020), (8, 27597765), (10, 22078212), (12, 18398510), (13, 16983240), (15, 14718808), (20, 11039106), (24, 9199255), (26, 8491620), (30, 7359404), (39, 5661080), (40, 5519553), (52, 4245810), (60, 3679702), (65, 3396648), (78, 2830540), (104, 2122905), (120, 1839851), (130, 1698324), (156, 1415270), (195, 1132216), (260, 849162), (307, 719160), (312, 707635), (390, 566108), (461, 478920), (520, 424581), (614, 359580), (780, 283054), (921, 239720), (922, 239460), (1228, 179790), (1383, 159640), (1535, 143832), (1560, 141527), (1842, 119860), (1844, 119730), (2305, 95784), (2456, 89895), (2766, 79820), (3070, 71916), (3684, 59930), (3688, 59865), (3991, 55320), (4605, 47944), (4610, 47892), (5532, 39910), (5993, 36840), (6140, 35958), (6915, 31928), (7368, 29965), (7982, 27660), (9210, 23972), (9220, 23946), (11064, 19955), (11973, 18440), (11986, 18420), (12280, 17979), (13830, 15964)]