401764560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2039}}^1$

素因数の和:2876

約数の個数: 80

約数和(自身を含む): 1247598720

約数和(自身を除く): 845834160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 821, 1642, 2039, 2463, 3284, 4078, 4105, 4926, 6117, 6568, 8156, 8210, 9852, 10195, 12234, 12315, 13136, 16312, 16420, 19704, 20390, 24468, 24630, 30585, 32624, 32840, 39408, 40780, 48936, 49260, 61170, 65680, 81560, 97872, 98520, 122340, 163120, 197040, 244680, 489360, 1674019, 3348038, 5022057, 6696076, 8370095, 10044114, 13392152, 16740190, 20088228, 25110285, 26784304, 33480380, 40176456, 50220570, 66960760, 80352912, 100441140, 133921520, 200882280, 401764560]

約数ペア:

[(1, 401764560), (2, 200882280), (3, 133921520), (4, 100441140), (5, 80352912), (6, 66960760), (8, 50220570), (10, 40176456), (12, 33480380), (15, 26784304), (16, 25110285), (20, 20088228), (24, 16740190), (30, 13392152), (40, 10044114), (48, 8370095), (60, 6696076), (80, 5022057), (120, 3348038), (240, 1674019), (821, 489360), (1642, 244680), (2039, 197040), (2463, 163120), (3284, 122340), (4078, 98520), (4105, 97872), (4926, 81560), (6117, 65680), (6568, 61170), (8156, 49260), (8210, 48936), (9852, 40780), (10195, 39408), (12234, 32840), (12315, 32624), (13136, 30585), (16312, 24630), (16420, 24468), (19704, 20390)]