15805140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:929

約数の個数: 96

約数和(自身を含む): 49787136

約数和(自身を除く): 33981996

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, 881, 897, 1196, 1380, 1495, 1762, 1794, 2643, 2990, 3524, 3588, 4405, 4485, 5286, 5980, 8810, 8970, 10572, 11453, 13215, 17620, 17940, 20263, 22906, 26430, 34359, 40526, 45812, 52860, 57265, 60789, 68718, 81052, 101315, 114530, 121578, 137436, 171795, 202630, 229060, 243156, 263419, 303945, 343590, 405260, 526838, 607890, 687180, 790257, 1053676, 1215780, 1317095, 1580514, 2634190, 3161028, 3951285, 5268380, 7902570, 15805140]

約数ペア:

[(1, 15805140), (2, 7902570), (3, 5268380), (4, 3951285), (5, 3161028), (6, 2634190), (10, 1580514), (12, 1317095), (13, 1215780), (15, 1053676), (20, 790257), (23, 687180), (26, 607890), (30, 526838), (39, 405260), (46, 343590), (52, 303945), (60, 263419), (65, 243156), (69, 229060), (78, 202630), (92, 171795), (115, 137436), (130, 121578), (138, 114530), (156, 101315), (195, 81052), (230, 68718), (260, 60789), (276, 57265), (299, 52860), (345, 45812), (390, 40526), (460, 34359), (598, 26430), (690, 22906), (780, 20263), (881, 17940), (897, 17620), (1196, 13215), (1380, 11453), (1495, 10572), (1762, 8970), (1794, 8810), (2643, 5980), (2990, 5286), (3524, 4485), (3588, 4405)]