15646980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3673}}^1$

素因数の和:3756

約数の個数: 48

約数和(自身を含む): 44440704

約数和(自身を除く): 28793724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 3673, 4260, 7346, 11019, 14692, 18365, 22038, 36730, 44076, 55095, 73460, 110190, 220380, 260783, 521566, 782349, 1043132, 1303915, 1564698, 2607830, 3129396, 3911745, 5215660, 7823490, 15646980]

約数ペア:

[(1, 15646980), (2, 7823490), (3, 5215660), (4, 3911745), (5, 3129396), (6, 2607830), (10, 1564698), (12, 1303915), (15, 1043132), (20, 782349), (30, 521566), (60, 260783), (71, 220380), (142, 110190), (213, 73460), (284, 55095), (355, 44076), (426, 36730), (710, 22038), (852, 18365), (1065, 14692), (1420, 11019), (2130, 7346), (3673, 4260)]