61135880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 149914800

約数和(自身を除く): 88778920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1321, 1780, 2314, 2642, 3560, 4628, 5284, 5785, 6605, 9256, 10568, 11570, 13210, 17173, 23140, 26420, 34346, 46280, 52840, 68692, 85865, 117569, 137384, 171730, 235138, 343460, 470276, 587845, 686920, 940552, 1175690, 1528397, 2351380, 3056794, 4702760, 6113588, 7641985, 12227176, 15283970, 30567940, 61135880]

約数ペア:

[(1, 61135880), (2, 30567940), (4, 15283970), (5, 12227176), (8, 7641985), (10, 6113588), (13, 4702760), (20, 3056794), (26, 2351380), (40, 1528397), (52, 1175690), (65, 940552), (89, 686920), (104, 587845), (130, 470276), (178, 343460), (260, 235138), (356, 171730), (445, 137384), (520, 117569), (712, 85865), (890, 68692), (1157, 52840), (1321, 46280), (1780, 34346), (2314, 26420), (2642, 23140), (3560, 17173), (4628, 13210), (5284, 11570), (5785, 10568), (6605, 9256)]