64769980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 155897280

約数和(自身を除く): 91127300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 73, 74, 109, 110, 146, 148, 185, 218, 220, 292, 365, 370, 407, 436, 545, 730, 740, 803, 814, 1090, 1199, 1460, 1606, 1628, 2035, 2180, 2398, 2701, 3212, 4015, 4033, 4070, 4796, 5402, 5995, 7957, 8030, 8066, 8140, 10804, 11990, 13505, 15914, 16060, 16132, 20165, 23980, 27010, 29711, 31828, 39785, 40330, 44363, 54020, 59422, 79570, 80660, 87527, 88726, 118844, 148555, 159140, 175054, 177452, 221815, 294409, 297110, 350108, 437635, 443630, 588818, 594220, 875270, 887260, 1177636, 1472045, 1750540, 2944090, 3238499, 5888180, 6476998, 12953996, 16192495, 32384990, 64769980]

約数ペア:

[(1, 64769980), (2, 32384990), (4, 16192495), (5, 12953996), (10, 6476998), (11, 5888180), (20, 3238499), (22, 2944090), (37, 1750540), (44, 1472045), (55, 1177636), (73, 887260), (74, 875270), (109, 594220), (110, 588818), (146, 443630), (148, 437635), (185, 350108), (218, 297110), (220, 294409), (292, 221815), (365, 177452), (370, 175054), (407, 159140), (436, 148555), (545, 118844), (730, 88726), (740, 87527), (803, 80660), (814, 79570), (1090, 59422), (1199, 54020), (1460, 44363), (1606, 40330), (1628, 39785), (2035, 31828), (2180, 29711), (2398, 27010), (2701, 23980), (3212, 20165), (4015, 16132), (4033, 16060), (4070, 15914), (4796, 13505), (5402, 11990), (5995, 10804), (7957, 8140), (8030, 8066)]