68151720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 254862720

約数和(自身を除く): 186711000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 79, 84, 91, 104, 105, 120, 130, 140, 156, 158, 168, 182, 195, 210, 237, 260, 273, 280, 312, 316, 364, 390, 395, 420, 455, 474, 520, 546, 553, 632, 728, 780, 790, 840, 910, 948, 1027, 1092, 1106, 1185, 1365, 1560, 1580, 1659, 1820, 1896, 2054, 2184, 2212, 2370, 2730, 2765, 3081, 3160, 3318, 3640, 4108, 4424, 4740, 5135, 5460, 5530, 6162, 6241, 6636, 7189, 8216, 8295, 9480, 10270, 10920, 11060, 12324, 12482, 13272, 14378, 15405, 16590, 18723, 20540, 21567, 22120, 24648, 24964, 28756, 30810, 31205, 33180, 35945, 37446, 41080, 43134, 43687, 49928, 57512, 61620, 62410, 66360, 71890, 74892, 81133, 86268, 87374, 93615, 107835, 123240, 124820, 131061, 143780, 149784, 162266, 172536, 174748, 187230, 215670, 218435, 243399, 249640, 262122, 287560, 324532, 349496, 374460, 405665, 431340, 436870, 486798, 524244, 567931, 649064, 655305, 748920, 811330, 862680, 873740, 973596, 1048488, 1135862, 1216995, 1310610, 1622660, 1703793, 1747480, 1947192, 2271724, 2433990, 2621220, 2839655, 3245320, 3407586, 4543448, 4867980, 5242440, 5679310, 6815172, 8518965, 9735960, 11358620, 13630344, 17037930, 22717240, 34075860, 68151720]

約数ペア:

[(1, 68151720), (2, 34075860), (3, 22717240), (4, 17037930), (5, 13630344), (6, 11358620), (7, 9735960), (8, 8518965), (10, 6815172), (12, 5679310), (13, 5242440), (14, 4867980), (15, 4543448), (20, 3407586), (21, 3245320), (24, 2839655), (26, 2621220), (28, 2433990), (30, 2271724), (35, 1947192), (39, 1747480), (40, 1703793), (42, 1622660), (52, 1310610), (56, 1216995), (60, 1135862), (65, 1048488), (70, 973596), (78, 873740), (79, 862680), (84, 811330), (91, 748920), (104, 655305), (105, 649064), (120, 567931), (130, 524244), (140, 486798), (156, 436870), (158, 431340), (168, 405665), (182, 374460), (195, 349496), (210, 324532), (237, 287560), (260, 262122), (273, 249640), (280, 243399), (312, 218435), (316, 215670), (364, 187230), (390, 174748), (395, 172536), (420, 162266), (455, 149784), (474, 143780), (520, 131061), (546, 124820), (553, 123240), (632, 107835), (728, 93615), (780, 87374), (790, 86268), (840, 81133), (910, 74892), (948, 71890), (1027, 66360), (1092, 62410), (1106, 61620), (1185, 57512), (1365, 49928), (1560, 43687), (1580, 43134), (1659, 41080), (1820, 37446), (1896, 35945), (2054, 33180), (2184, 31205), (2212, 30810), (2370, 28756), (2730, 24964), (2765, 24648), (3081, 22120), (3160, 21567), (3318, 20540), (3640, 18723), (4108, 16590), (4424, 15405), (4740, 14378), (5135, 13272), (5460, 12482), (5530, 12324), (6162, 11060), (6241, 10920), (6636, 10270), (7189, 9480), (8216, 8295)]