61121720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2621}}^1$

素因数の和:2696

約数の個数: 64

約数和(自身を含む): 152915040

約数和(自身を除く): 91793320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 2120, 2332, 2621, 2915, 4664, 5242, 5830, 10484, 11660, 13105, 20968, 23320, 26210, 28831, 52420, 57662, 104840, 115324, 138913, 144155, 230648, 277826, 288310, 555652, 576620, 694565, 1111304, 1153240, 1389130, 1528043, 2778260, 3056086, 5556520, 6112172, 7640215, 12224344, 15280430, 30560860, 61121720]

約数ペア:

[(1, 61121720), (2, 30560860), (4, 15280430), (5, 12224344), (8, 7640215), (10, 6112172), (11, 5556520), (20, 3056086), (22, 2778260), (40, 1528043), (44, 1389130), (53, 1153240), (55, 1111304), (88, 694565), (106, 576620), (110, 555652), (212, 288310), (220, 277826), (265, 230648), (424, 144155), (440, 138913), (530, 115324), (583, 104840), (1060, 57662), (1166, 52420), (2120, 28831), (2332, 26210), (2621, 23320), (2915, 20968), (4664, 13105), (5242, 11660), (5830, 10484)]