81906160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:183

約数の個数: 160

約数和(自身を含む): 230699520

約数和(自身を除く): 148793360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 59, 67, 70, 74, 80, 112, 118, 134, 140, 148, 185, 236, 259, 268, 280, 295, 296, 335, 370, 413, 469, 472, 518, 536, 560, 590, 592, 670, 740, 826, 938, 944, 1036, 1072, 1180, 1295, 1340, 1480, 1652, 1876, 2065, 2072, 2183, 2345, 2360, 2479, 2590, 2680, 2960, 3304, 3752, 3953, 4130, 4144, 4366, 4690, 4720, 4958, 5180, 5360, 6608, 7504, 7906, 8260, 8732, 9380, 9916, 10360, 10915, 12395, 15281, 15812, 16520, 17353, 17464, 18760, 19765, 19832, 20720, 21830, 24790, 27671, 30562, 31624, 33040, 34706, 34928, 37520, 39530, 39664, 43660, 49580, 55342, 61124, 63248, 69412, 76405, 79060, 86765, 87320, 99160, 110684, 122248, 138355, 138824, 146261, 152810, 158120, 173530, 174640, 198320, 221368, 244496, 276710, 277648, 292522, 305620, 316240, 347060, 442736, 553420, 585044, 611240, 694120, 731305, 1023827, 1106840, 1170088, 1222480, 1388240, 1462610, 2047654, 2213680, 2340176, 2925220, 4095308, 5119135, 5850440, 8190616, 10238270, 11700880, 16381232, 20476540, 40953080, 81906160]

約数ペア:

[(1, 81906160), (2, 40953080), (4, 20476540), (5, 16381232), (7, 11700880), (8, 10238270), (10, 8190616), (14, 5850440), (16, 5119135), (20, 4095308), (28, 2925220), (35, 2340176), (37, 2213680), (40, 2047654), (56, 1462610), (59, 1388240), (67, 1222480), (70, 1170088), (74, 1106840), (80, 1023827), (112, 731305), (118, 694120), (134, 611240), (140, 585044), (148, 553420), (185, 442736), (236, 347060), (259, 316240), (268, 305620), (280, 292522), (295, 277648), (296, 276710), (335, 244496), (370, 221368), (413, 198320), (469, 174640), (472, 173530), (518, 158120), (536, 152810), (560, 146261), (590, 138824), (592, 138355), (670, 122248), (740, 110684), (826, 99160), (938, 87320), (944, 86765), (1036, 79060), (1072, 76405), (1180, 69412), (1295, 63248), (1340, 61124), (1480, 55342), (1652, 49580), (1876, 43660), (2065, 39664), (2072, 39530), (2183, 37520), (2345, 34928), (2360, 34706), (2479, 33040), (2590, 31624), (2680, 30562), (2960, 27671), (3304, 24790), (3752, 21830), (3953, 20720), (4130, 19832), (4144, 19765), (4366, 18760), (4690, 17464), (4720, 17353), (4958, 16520), (5180, 15812), (5360, 15281), (6608, 12395), (7504, 10915), (7906, 10360), (8260, 9916), (8732, 9380)]