218993840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 577463040

約数和(自身を除く): 358469200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 59, 65, 80, 83, 86, 104, 118, 130, 166, 172, 208, 215, 236, 260, 295, 332, 344, 415, 430, 472, 520, 559, 590, 664, 688, 767, 830, 860, 944, 1040, 1079, 1118, 1180, 1328, 1534, 1660, 1720, 2158, 2236, 2360, 2537, 2795, 3068, 3320, 3440, 3569, 3835, 4316, 4472, 4720, 4897, 5074, 5395, 5590, 6136, 6640, 7138, 7670, 8632, 8944, 9794, 10148, 10790, 11180, 12272, 12685, 14276, 15340, 17264, 17845, 19588, 20296, 21580, 22360, 24485, 25370, 28552, 30680, 32981, 35690, 39176, 40592, 43160, 44720, 46397, 48970, 50740, 57104, 61360, 63661, 65962, 71380, 78352, 86320, 92794, 97940, 101480, 127322, 131924, 142760, 164905, 185588, 195880, 202960, 210571, 231985, 254644, 263848, 285520, 318305, 329810, 371176, 391760, 421142, 463970, 509288, 527696, 636610, 659620, 742352, 842284, 927940, 1018576, 1052855, 1273220, 1319240, 1684568, 1855880, 2105710, 2546440, 2638480, 2737423, 3369136, 3711760, 4211420, 5092880, 5474846, 8422840, 10949692, 13687115, 16845680, 21899384, 27374230, 43798768, 54748460, 109496920, 218993840]

約数ペア:

[(1, 218993840), (2, 109496920), (4, 54748460), (5, 43798768), (8, 27374230), (10, 21899384), (13, 16845680), (16, 13687115), (20, 10949692), (26, 8422840), (40, 5474846), (43, 5092880), (52, 4211420), (59, 3711760), (65, 3369136), (80, 2737423), (83, 2638480), (86, 2546440), (104, 2105710), (118, 1855880), (130, 1684568), (166, 1319240), (172, 1273220), (208, 1052855), (215, 1018576), (236, 927940), (260, 842284), (295, 742352), (332, 659620), (344, 636610), (415, 527696), (430, 509288), (472, 463970), (520, 421142), (559, 391760), (590, 371176), (664, 329810), (688, 318305), (767, 285520), (830, 263848), (860, 254644), (944, 231985), (1040, 210571), (1079, 202960), (1118, 195880), (1180, 185588), (1328, 164905), (1534, 142760), (1660, 131924), (1720, 127322), (2158, 101480), (2236, 97940), (2360, 92794), (2537, 86320), (2795, 78352), (3068, 71380), (3320, 65962), (3440, 63661), (3569, 61360), (3835, 57104), (4316, 50740), (4472, 48970), (4720, 46397), (4897, 44720), (5074, 43160), (5395, 40592), (5590, 39176), (6136, 35690), (6640, 32981), (7138, 30680), (7670, 28552), (8632, 25370), (8944, 24485), (9794, 22360), (10148, 21580), (10790, 20296), (11180, 19588), (12272, 17845), (12685, 17264), (14276, 15340)]