639877680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:668

約数の個数: 240

約数和(自身を含む): 2335788000

約数和(自身を除く): 1695910320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 137, 144, 156, 180, 195, 208, 234, 240, 260, 274, 312, 360, 390, 411, 468, 499, 520, 548, 585, 624, 685, 720, 780, 822, 936, 998, 1040, 1096, 1170, 1233, 1370, 1497, 1560, 1644, 1781, 1872, 1996, 2055, 2192, 2340, 2466, 2495, 2740, 2994, 3120, 3288, 3562, 3992, 4110, 4491, 4680, 4932, 4990, 5343, 5480, 5988, 6165, 6487, 6576, 7124, 7485, 7984, 8220, 8905, 8982, 9360, 9864, 9980, 10686, 10960, 11976, 12330, 12974, 14248, 14970, 16029, 16440, 17810, 17964, 19461, 19728, 19960, 21372, 22455, 23952, 24660, 25948, 26715, 28496, 29940, 32058, 32435, 32880, 35620, 35928, 38922, 39920, 42744, 44910, 49320, 51896, 53430, 58383, 59880, 64116, 64870, 68363, 71240, 71856, 77844, 80145, 85488, 89820, 97305, 98640, 103792, 106860, 116766, 119760, 128232, 129740, 136726, 142480, 155688, 160290, 179640, 194610, 205089, 213720, 233532, 256464, 259480, 273452, 291915, 311376, 320580, 341815, 359280, 389220, 410178, 427440, 467064, 518960, 546904, 583830, 615267, 641160, 683630, 778440, 820356, 888719, 934128, 1025445, 1093808, 1167660, 1230534, 1282320, 1367260, 1556880, 1640712, 1777438, 2050890, 2335320, 2461068, 2666157, 2734520, 3076335, 3281424, 3554876, 4101780, 4443595, 4670640, 4922136, 5332314, 5469040, 6152670, 7109752, 7998471, 8203560, 8887190, 9844272, 10664628, 12305340, 13330785, 14219504, 15996942, 16407120, 17774380, 21329256, 24610680, 26661570, 31993884, 35548760, 39992355, 42658512, 49221360, 53323140, 63987768, 71097520, 79984710, 106646280, 127975536, 159969420, 213292560, 319938840, 639877680]

約数ペア:

[(1, 639877680), (2, 319938840), (3, 213292560), (4, 159969420), (5, 127975536), (6, 106646280), (8, 79984710), (9, 71097520), (10, 63987768), (12, 53323140), (13, 49221360), (15, 42658512), (16, 39992355), (18, 35548760), (20, 31993884), (24, 26661570), (26, 24610680), (30, 21329256), (36, 17774380), (39, 16407120), (40, 15996942), (45, 14219504), (48, 13330785), (52, 12305340), (60, 10664628), (65, 9844272), (72, 8887190), (78, 8203560), (80, 7998471), (90, 7109752), (104, 6152670), (117, 5469040), (120, 5332314), (130, 4922136), (137, 4670640), (144, 4443595), (156, 4101780), (180, 3554876), (195, 3281424), (208, 3076335), (234, 2734520), (240, 2666157), (260, 2461068), (274, 2335320), (312, 2050890), (360, 1777438), (390, 1640712), (411, 1556880), (468, 1367260), (499, 1282320), (520, 1230534), (548, 1167660), (585, 1093808), (624, 1025445), (685, 934128), (720, 888719), (780, 820356), (822, 778440), (936, 683630), (998, 641160), (1040, 615267), (1096, 583830), (1170, 546904), (1233, 518960), (1370, 467064), (1497, 427440), (1560, 410178), (1644, 389220), (1781, 359280), (1872, 341815), (1996, 320580), (2055, 311376), (2192, 291915), (2340, 273452), (2466, 259480), (2495, 256464), (2740, 233532), (2994, 213720), (3120, 205089), (3288, 194610), (3562, 179640), (3992, 160290), (4110, 155688), (4491, 142480), (4680, 136726), (4932, 129740), (4990, 128232), (5343, 119760), (5480, 116766), (5988, 106860), (6165, 103792), (6487, 98640), (6576, 97305), (7124, 89820), (7485, 85488), (7984, 80145), (8220, 77844), (8905, 71856), (8982, 71240), (9360, 68363), (9864, 64870), (9980, 64116), (10686, 59880), (10960, 58383), (11976, 53430), (12330, 51896), (12974, 49320), (14248, 44910), (14970, 42744), (16029, 39920), (16440, 38922), (17810, 35928), (17964, 35620), (19461, 32880), (19728, 32435), (19960, 32058), (21372, 29940), (22455, 28496), (23952, 26715), (24660, 25948)]