86874720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^2$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 286720560

約数和(自身を除く): 199845840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 79, 80, 87, 96, 116, 120, 145, 158, 160, 174, 232, 237, 240, 290, 316, 348, 395, 435, 464, 474, 480, 580, 632, 696, 790, 870, 928, 948, 1160, 1185, 1264, 1392, 1580, 1740, 1896, 2291, 2320, 2370, 2528, 2784, 3160, 3480, 3792, 4582, 4640, 4740, 6241, 6320, 6873, 6960, 7584, 9164, 9480, 11455, 12482, 12640, 13746, 13920, 18328, 18723, 18960, 22910, 24964, 27492, 31205, 34365, 36656, 37446, 37920, 45820, 49928, 54984, 62410, 68730, 73312, 74892, 91640, 93615, 99856, 109968, 124820, 137460, 149784, 180989, 183280, 187230, 199712, 219936, 249640, 274920, 299568, 361978, 366560, 374460, 499280, 542967, 549840, 599136, 723956, 748920, 904945, 998560, 1085934, 1099680, 1447912, 1497840, 1809890, 2171868, 2714835, 2895824, 2995680, 3619780, 4343736, 5429670, 5791648, 7239560, 8687472, 10859340, 14479120, 17374944, 21718680, 28958240, 43437360, 86874720]

約数ペア:

[(1, 86874720), (2, 43437360), (3, 28958240), (4, 21718680), (5, 17374944), (6, 14479120), (8, 10859340), (10, 8687472), (12, 7239560), (15, 5791648), (16, 5429670), (20, 4343736), (24, 3619780), (29, 2995680), (30, 2895824), (32, 2714835), (40, 2171868), (48, 1809890), (58, 1497840), (60, 1447912), (79, 1099680), (80, 1085934), (87, 998560), (96, 904945), (116, 748920), (120, 723956), (145, 599136), (158, 549840), (160, 542967), (174, 499280), (232, 374460), (237, 366560), (240, 361978), (290, 299568), (316, 274920), (348, 249640), (395, 219936), (435, 199712), (464, 187230), (474, 183280), (480, 180989), (580, 149784), (632, 137460), (696, 124820), (790, 109968), (870, 99856), (928, 93615), (948, 91640), (1160, 74892), (1185, 73312), (1264, 68730), (1392, 62410), (1580, 54984), (1740, 49928), (1896, 45820), (2291, 37920), (2320, 37446), (2370, 36656), (2528, 34365), (2784, 31205), (3160, 27492), (3480, 24964), (3792, 22910), (4582, 18960), (4640, 18723), (4740, 18328), (6241, 13920), (6320, 13746), (6873, 12640), (6960, 12482), (7584, 11455), (9164, 9480)]