639161880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1630

約数の個数: 192

約数和(自身を含む): 2263438080

約数和(自身を除く): 1624276200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 71, 84, 98, 105, 120, 140, 142, 147, 168, 196, 210, 213, 245, 280, 284, 294, 355, 392, 420, 426, 490, 497, 568, 588, 710, 735, 840, 852, 980, 994, 1065, 1176, 1420, 1470, 1491, 1531, 1704, 1960, 1988, 2130, 2485, 2840, 2940, 2982, 3062, 3479, 3976, 4260, 4593, 4970, 5880, 5964, 6124, 6958, 7455, 7655, 8520, 9186, 9940, 10437, 10717, 11928, 12248, 13916, 14910, 15310, 17395, 18372, 19880, 20874, 21434, 22965, 27832, 29820, 30620, 32151, 34790, 36744, 41748, 42868, 45930, 52185, 53585, 59640, 61240, 64302, 69580, 75019, 83496, 85736, 91860, 104370, 107170, 108701, 128604, 139160, 150038, 160755, 183720, 208740, 214340, 217402, 225057, 257208, 300076, 321510, 326103, 375095, 417480, 428680, 434804, 450114, 543505, 600152, 643020, 652206, 750190, 760907, 869608, 900228, 1087010, 1125285, 1286040, 1304412, 1500380, 1521814, 1630515, 1800456, 2174020, 2250570, 2282721, 2608824, 3000760, 3043628, 3261030, 3804535, 4348040, 4501140, 4565442, 5326349, 6087256, 6522060, 7609070, 9002280, 9130884, 10652698, 11413605, 13044120, 15218140, 15979047, 18261768, 21305396, 22827210, 26631745, 30436280, 31958094, 42610792, 45654420, 53263490, 63916188, 79895235, 91308840, 106526980, 127832376, 159790470, 213053960, 319580940, 639161880]

約数ペア:

[(1, 639161880), (2, 319580940), (3, 213053960), (4, 159790470), (5, 127832376), (6, 106526980), (7, 91308840), (8, 79895235), (10, 63916188), (12, 53263490), (14, 45654420), (15, 42610792), (20, 31958094), (21, 30436280), (24, 26631745), (28, 22827210), (30, 21305396), (35, 18261768), (40, 15979047), (42, 15218140), (49, 13044120), (56, 11413605), (60, 10652698), (70, 9130884), (71, 9002280), (84, 7609070), (98, 6522060), (105, 6087256), (120, 5326349), (140, 4565442), (142, 4501140), (147, 4348040), (168, 3804535), (196, 3261030), (210, 3043628), (213, 3000760), (245, 2608824), (280, 2282721), (284, 2250570), (294, 2174020), (355, 1800456), (392, 1630515), (420, 1521814), (426, 1500380), (490, 1304412), (497, 1286040), (568, 1125285), (588, 1087010), (710, 900228), (735, 869608), (840, 760907), (852, 750190), (980, 652206), (994, 643020), (1065, 600152), (1176, 543505), (1420, 450114), (1470, 434804), (1491, 428680), (1531, 417480), (1704, 375095), (1960, 326103), (1988, 321510), (2130, 300076), (2485, 257208), (2840, 225057), (2940, 217402), (2982, 214340), (3062, 208740), (3479, 183720), (3976, 160755), (4260, 150038), (4593, 139160), (4970, 128604), (5880, 108701), (5964, 107170), (6124, 104370), (6958, 91860), (7455, 85736), (7655, 83496), (8520, 75019), (9186, 69580), (9940, 64302), (10437, 61240), (10717, 59640), (11928, 53585), (12248, 52185), (13916, 45930), (14910, 42868), (15310, 41748), (17395, 36744), (18372, 34790), (19880, 32151), (20874, 30620), (21434, 29820), (22965, 27832)]