77531940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{757}}^1$

素因数の和:1341

約数の個数: 72

約数和(自身を含む): 235904760

約数和(自身を除く): 158372820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 569, 757, 1138, 1514, 1707, 2271, 2276, 2845, 3028, 3414, 3785, 4542, 5121, 5690, 6813, 6828, 7570, 8535, 9084, 10242, 11355, 11380, 13626, 15140, 17070, 20484, 22710, 25605, 27252, 34065, 34140, 45420, 51210, 68130, 102420, 136260, 430733, 861466, 1292199, 1722932, 2153665, 2584398, 3876597, 4307330, 5168796, 6460995, 7753194, 8614660, 12921990, 15506388, 19382985, 25843980, 38765970, 77531940]

約数ペア:

[(1, 77531940), (2, 38765970), (3, 25843980), (4, 19382985), (5, 15506388), (6, 12921990), (9, 8614660), (10, 7753194), (12, 6460995), (15, 5168796), (18, 4307330), (20, 3876597), (30, 2584398), (36, 2153665), (45, 1722932), (60, 1292199), (90, 861466), (180, 430733), (569, 136260), (757, 102420), (1138, 68130), (1514, 51210), (1707, 45420), (2271, 34140), (2276, 34065), (2845, 27252), (3028, 25605), (3414, 22710), (3785, 20484), (4542, 17070), (5121, 15140), (5690, 13626), (6813, 11380), (6828, 11355), (7570, 10242), (8535, 9084)]