245520840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28817}}^1$

素因数の和:28902

約数の個数: 64

約数和(自身を含む): 746962560

約数和(自身を除く): 501441720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 28817, 57634, 86451, 115268, 144085, 172902, 230536, 288170, 345804, 432255, 576340, 691608, 864510, 1152680, 1729020, 2046007, 3458040, 4092014, 6138021, 8184028, 10230035, 12276042, 16368056, 20460070, 24552084, 30690105, 40920140, 49104168, 61380210, 81840280, 122760420, 245520840]

約数ペア:

[(1, 245520840), (2, 122760420), (3, 81840280), (4, 61380210), (5, 49104168), (6, 40920140), (8, 30690105), (10, 24552084), (12, 20460070), (15, 16368056), (20, 12276042), (24, 10230035), (30, 8184028), (40, 6138021), (60, 4092014), (71, 3458040), (120, 2046007), (142, 1729020), (213, 1152680), (284, 864510), (355, 691608), (426, 576340), (568, 432255), (710, 345804), (852, 288170), (1065, 230536), (1420, 172902), (1704, 144085), (2130, 115268), (2840, 86451), (4260, 57634), (8520, 28817)]