25815660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1439}}^1$

素因数の和:1487

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 55469460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 92, 115, 130, 138, 156, 195, 230, 260, 276, 299, 345, 390, 460, 598, 690, 780, 897, 1196, 1380, 1439, 1495, 1794, 2878, 2990, 3588, 4317, 4485, 5756, 5980, 7195, 8634, 8970, 14390, 17268, 17940, 18707, 21585, 28780, 33097, 37414, 43170, 56121, 66194, 74828, 86340, 93535, 99291, 112242, 132388, 165485, 187070, 198582, 224484, 280605, 330970, 374140, 397164, 430261, 496455, 561210, 661940, 860522, 992910, 1122420, 1290783, 1721044, 1985820, 2151305, 2581566, 4302610, 5163132, 6453915, 8605220, 12907830, 25815660]

約数ペア:

[(1, 25815660), (2, 12907830), (3, 8605220), (4, 6453915), (5, 5163132), (6, 4302610), (10, 2581566), (12, 2151305), (13, 1985820), (15, 1721044), (20, 1290783), (23, 1122420), (26, 992910), (30, 860522), (39, 661940), (46, 561210), (52, 496455), (60, 430261), (65, 397164), (69, 374140), (78, 330970), (92, 280605), (115, 224484), (130, 198582), (138, 187070), (156, 165485), (195, 132388), (230, 112242), (260, 99291), (276, 93535), (299, 86340), (345, 74828), (390, 66194), (460, 56121), (598, 43170), (690, 37414), (780, 33097), (897, 28780), (1196, 21585), (1380, 18707), (1439, 17940), (1495, 17268), (1794, 14390), (2878, 8970), (2990, 8634), (3588, 7195), (4317, 5980), (4485, 5756)]