87891180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 266632128

約数和(自身を除く): 178740948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 281, 390, 401, 562, 780, 802, 843, 1124, 1203, 1405, 1604, 1686, 2005, 2406, 2810, 3372, 3653, 4010, 4215, 4812, 5213, 5620, 6015, 7306, 8020, 8430, 10426, 10959, 12030, 14612, 15639, 16860, 18265, 20852, 21918, 24060, 26065, 31278, 36530, 43836, 52130, 54795, 62556, 73060, 78195, 104260, 109590, 112681, 156390, 219180, 225362, 312780, 338043, 450724, 563405, 676086, 1126810, 1352172, 1464853, 1690215, 2253620, 2929706, 3380430, 4394559, 5859412, 6760860, 7324265, 8789118, 14648530, 17578236, 21972795, 29297060, 43945590, 87891180]

約数ペア:

[(1, 87891180), (2, 43945590), (3, 29297060), (4, 21972795), (5, 17578236), (6, 14648530), (10, 8789118), (12, 7324265), (13, 6760860), (15, 5859412), (20, 4394559), (26, 3380430), (30, 2929706), (39, 2253620), (52, 1690215), (60, 1464853), (65, 1352172), (78, 1126810), (130, 676086), (156, 563405), (195, 450724), (260, 338043), (281, 312780), (390, 225362), (401, 219180), (562, 156390), (780, 112681), (802, 109590), (843, 104260), (1124, 78195), (1203, 73060), (1405, 62556), (1604, 54795), (1686, 52130), (2005, 43836), (2406, 36530), (2810, 31278), (3372, 26065), (3653, 24060), (4010, 21918), (4215, 20852), (4812, 18265), (5213, 16860), (5620, 15639), (6015, 14612), (7306, 12030), (8020, 10959), (8430, 10426)]