251494920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 192

約数和(自身を含む): 853632000

約数和(自身を除く): 602137080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 79, 90, 111, 120, 148, 158, 180, 185, 222, 237, 239, 296, 316, 333, 360, 370, 395, 444, 474, 478, 555, 632, 666, 711, 717, 740, 790, 888, 948, 956, 1110, 1185, 1195, 1332, 1422, 1434, 1480, 1580, 1665, 1896, 1912, 2151, 2220, 2370, 2390, 2664, 2844, 2868, 2923, 3160, 3330, 3555, 3585, 4302, 4440, 4740, 4780, 5688, 5736, 5846, 6660, 7110, 7170, 8604, 8769, 8843, 9480, 9560, 10755, 11692, 13320, 14220, 14340, 14615, 17208, 17538, 17686, 18881, 21510, 23384, 26307, 26529, 28440, 28680, 29230, 35076, 35372, 37762, 43020, 43845, 44215, 52614, 53058, 56643, 58460, 70152, 70744, 75524, 79587, 86040, 87690, 88430, 94405, 105228, 106116, 113286, 116920, 131535, 132645, 151048, 159174, 169929, 175380, 176860, 188810, 210456, 212232, 226572, 263070, 265290, 283215, 318348, 339858, 350760, 353720, 377620, 397935, 453144, 526140, 530580, 566430, 636696, 679716, 698597, 755240, 795870, 849645, 1052280, 1061160, 1132860, 1359432, 1397194, 1591740, 1699290, 2095791, 2265720, 2794388, 3183480, 3398580, 3492985, 4191582, 5588776, 6287373, 6797160, 6985970, 8383164, 10478955, 12574746, 13971940, 16766328, 20957910, 25149492, 27943880, 31436865, 41915820, 50298984, 62873730, 83831640, 125747460, 251494920]

約数ペア:

[(1, 251494920), (2, 125747460), (3, 83831640), (4, 62873730), (5, 50298984), (6, 41915820), (8, 31436865), (9, 27943880), (10, 25149492), (12, 20957910), (15, 16766328), (18, 13971940), (20, 12574746), (24, 10478955), (30, 8383164), (36, 6985970), (37, 6797160), (40, 6287373), (45, 5588776), (60, 4191582), (72, 3492985), (74, 3398580), (79, 3183480), (90, 2794388), (111, 2265720), (120, 2095791), (148, 1699290), (158, 1591740), (180, 1397194), (185, 1359432), (222, 1132860), (237, 1061160), (239, 1052280), (296, 849645), (316, 795870), (333, 755240), (360, 698597), (370, 679716), (395, 636696), (444, 566430), (474, 530580), (478, 526140), (555, 453144), (632, 397935), (666, 377620), (711, 353720), (717, 350760), (740, 339858), (790, 318348), (888, 283215), (948, 265290), (956, 263070), (1110, 226572), (1185, 212232), (1195, 210456), (1332, 188810), (1422, 176860), (1434, 175380), (1480, 169929), (1580, 159174), (1665, 151048), (1896, 132645), (1912, 131535), (2151, 116920), (2220, 113286), (2370, 106116), (2390, 105228), (2664, 94405), (2844, 88430), (2868, 87690), (2923, 86040), (3160, 79587), (3330, 75524), (3555, 70744), (3585, 70152), (4302, 58460), (4440, 56643), (4740, 53058), (4780, 52614), (5688, 44215), (5736, 43845), (5846, 43020), (6660, 37762), (7110, 35372), (7170, 35076), (8604, 29230), (8769, 28680), (8843, 28440), (9480, 26529), (9560, 26307), (10755, 23384), (11692, 21510), (13320, 18881), (14220, 17686), (14340, 17538), (14615, 17208)]