15613840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1613}}^1$

素因数の和:1648

約数の個数: 60

約数和(自身を含む): 39927132

約数和(自身を除く): 24313292

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1613, 1936, 2420, 3226, 4840, 6452, 8065, 9680, 12904, 16130, 17743, 25808, 32260, 35486, 64520, 70972, 88715, 129040, 141944, 177430, 195173, 283888, 354860, 390346, 709720, 780692, 975865, 1419440, 1561384, 1951730, 3122768, 3903460, 7806920, 15613840]

約数ペア:

[(1, 15613840), (2, 7806920), (4, 3903460), (5, 3122768), (8, 1951730), (10, 1561384), (11, 1419440), (16, 975865), (20, 780692), (22, 709720), (40, 390346), (44, 354860), (55, 283888), (80, 195173), (88, 177430), (110, 141944), (121, 129040), (176, 88715), (220, 70972), (242, 64520), (440, 35486), (484, 32260), (605, 25808), (880, 17743), (968, 16130), (1210, 12904), (1613, 9680), (1936, 8065), (2420, 6452), (3226, 4840)]