647673390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2615

約数の個数: 192

約数和(自身を含む): 2140250112

約数和(自身を除く): 1492576722

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 31, 35, 39, 42, 45, 62, 63, 65, 70, 78, 90, 91, 93, 105, 117, 126, 130, 155, 182, 186, 195, 210, 217, 234, 273, 279, 310, 315, 390, 403, 434, 455, 465, 546, 558, 585, 630, 651, 806, 819, 910, 930, 1085, 1170, 1209, 1302, 1365, 1395, 1638, 1953, 2015, 2170, 2418, 2551, 2730, 2790, 2821, 3255, 3627, 3906, 4030, 4095, 5102, 5642, 6045, 6510, 7254, 7653, 8190, 8463, 9765, 12090, 12755, 14105, 15306, 16926, 17857, 18135, 19530, 22959, 25389, 25510, 28210, 33163, 35714, 36270, 38265, 42315, 45918, 50778, 53571, 66326, 76530, 79081, 84630, 89285, 99489, 107142, 114795, 126945, 158162, 160713, 165815, 178570, 198978, 229590, 232141, 237243, 253890, 267855, 298467, 321426, 331630, 395405, 464282, 474486, 497445, 535710, 553567, 596934, 696423, 711729, 790810, 803565, 994890, 1028053, 1107134, 1160705, 1186215, 1392846, 1423458, 1492335, 1607130, 1660701, 2056106, 2089269, 2321410, 2372430, 2767835, 2984670, 3084159, 3321402, 3482115, 3558645, 4178538, 4982103, 5140265, 5535670, 6168318, 6964230, 7117290, 7196371, 8303505, 9252477, 9964206, 10280530, 10446345, 14392742, 15420795, 16607010, 18504954, 20892690, 21589113, 24910515, 30841590, 35981855, 43178226, 46262385, 49821030, 64767339, 71963710, 92524770, 107945565, 129534678, 215891130, 323836695, 647673390]

約数ペア:

[(1, 647673390), (2, 323836695), (3, 215891130), (5, 129534678), (6, 107945565), (7, 92524770), (9, 71963710), (10, 64767339), (13, 49821030), (14, 46262385), (15, 43178226), (18, 35981855), (21, 30841590), (26, 24910515), (30, 21589113), (31, 20892690), (35, 18504954), (39, 16607010), (42, 15420795), (45, 14392742), (62, 10446345), (63, 10280530), (65, 9964206), (70, 9252477), (78, 8303505), (90, 7196371), (91, 7117290), (93, 6964230), (105, 6168318), (117, 5535670), (126, 5140265), (130, 4982103), (155, 4178538), (182, 3558645), (186, 3482115), (195, 3321402), (210, 3084159), (217, 2984670), (234, 2767835), (273, 2372430), (279, 2321410), (310, 2089269), (315, 2056106), (390, 1660701), (403, 1607130), (434, 1492335), (455, 1423458), (465, 1392846), (546, 1186215), (558, 1160705), (585, 1107134), (630, 1028053), (651, 994890), (806, 803565), (819, 790810), (910, 711729), (930, 696423), (1085, 596934), (1170, 553567), (1209, 535710), (1302, 497445), (1365, 474486), (1395, 464282), (1638, 395405), (1953, 331630), (2015, 321426), (2170, 298467), (2418, 267855), (2551, 253890), (2730, 237243), (2790, 232141), (2821, 229590), (3255, 198978), (3627, 178570), (3906, 165815), (4030, 160713), (4095, 158162), (5102, 126945), (5642, 114795), (6045, 107142), (6510, 99489), (7254, 89285), (7653, 84630), (8190, 79081), (8463, 76530), (9765, 66326), (12090, 53571), (12755, 50778), (14105, 45918), (15306, 42315), (16926, 38265), (17857, 36270), (18135, 35714), (19530, 33163), (22959, 28210), (25389, 25510)]