81140040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{877}}^1$

素因数の和:1151

約数の個数: 96

約数和(自身を含む): 265033080

約数和(自身を除く): 183893040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 257, 360, 514, 771, 877, 1028, 1285, 1542, 1754, 2056, 2313, 2570, 2631, 3084, 3508, 3855, 4385, 4626, 5140, 5262, 6168, 7016, 7710, 7893, 8770, 9252, 10280, 10524, 11565, 13155, 15420, 15786, 17540, 18504, 21048, 23130, 26310, 30840, 31572, 35080, 39465, 46260, 52620, 63144, 78930, 92520, 105240, 157860, 225389, 315720, 450778, 676167, 901556, 1126945, 1352334, 1803112, 2028501, 2253890, 2704668, 3380835, 4057002, 4507780, 5409336, 6761670, 8114004, 9015560, 10142505, 13523340, 16228008, 20285010, 27046680, 40570020, 81140040]

約数ペア:

[(1, 81140040), (2, 40570020), (3, 27046680), (4, 20285010), (5, 16228008), (6, 13523340), (8, 10142505), (9, 9015560), (10, 8114004), (12, 6761670), (15, 5409336), (18, 4507780), (20, 4057002), (24, 3380835), (30, 2704668), (36, 2253890), (40, 2028501), (45, 1803112), (60, 1352334), (72, 1126945), (90, 901556), (120, 676167), (180, 450778), (257, 315720), (360, 225389), (514, 157860), (771, 105240), (877, 92520), (1028, 78930), (1285, 63144), (1542, 52620), (1754, 46260), (2056, 39465), (2313, 35080), (2570, 31572), (2631, 30840), (3084, 26310), (3508, 23130), (3855, 21048), (4385, 18504), (4626, 17540), (5140, 15786), (5262, 15420), (6168, 13155), (7016, 11565), (7710, 10524), (7893, 10280), (8770, 9252)]