69045680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2586

約数の個数: 80

約数和(自身を含む): 180845568

約数和(自身を除く): 111799888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2531, 2728, 3410, 5062, 5456, 6820, 10124, 12655, 13640, 20248, 25310, 27280, 27841, 40496, 50620, 55682, 78461, 101240, 111364, 139205, 156922, 202480, 222728, 278410, 313844, 392305, 445456, 556820, 627688, 784610, 863071, 1113640, 1255376, 1569220, 1726142, 2227280, 3138440, 3452284, 4315355, 6276880, 6904568, 8630710, 13809136, 17261420, 34522840, 69045680]

約数ペア:

[(1, 69045680), (2, 34522840), (4, 17261420), (5, 13809136), (8, 8630710), (10, 6904568), (11, 6276880), (16, 4315355), (20, 3452284), (22, 3138440), (31, 2227280), (40, 1726142), (44, 1569220), (55, 1255376), (62, 1113640), (80, 863071), (88, 784610), (110, 627688), (124, 556820), (155, 445456), (176, 392305), (220, 313844), (248, 278410), (310, 222728), (341, 202480), (440, 156922), (496, 139205), (620, 111364), (682, 101240), (880, 78461), (1240, 55682), (1364, 50620), (1705, 40496), (2480, 27841), (2531, 27280), (2728, 25310), (3410, 20248), (5062, 13640), (5456, 12655), (6820, 10124)]