285880140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:629

約数の個数: 288

約数和(自身を含む): 1103671296

約数和(自身を除く): 817791156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 31, 35, 36, 39, 42, 45, 52, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 105, 117, 124, 126, 130, 140, 155, 156, 180, 182, 186, 195, 210, 217, 234, 252, 260, 273, 279, 310, 315, 364, 372, 390, 403, 420, 434, 455, 465, 468, 546, 558, 563, 585, 620, 630, 651, 780, 806, 819, 868, 910, 930, 1085, 1092, 1116, 1126, 1170, 1209, 1260, 1302, 1365, 1395, 1612, 1638, 1689, 1820, 1860, 1953, 2015, 2170, 2252, 2340, 2418, 2604, 2730, 2790, 2815, 2821, 3255, 3276, 3378, 3627, 3906, 3941, 4030, 4095, 4340, 4836, 5067, 5460, 5580, 5630, 5642, 6045, 6510, 6756, 7254, 7319, 7812, 7882, 8060, 8190, 8445, 8463, 9765, 10134, 11260, 11284, 11823, 12090, 13020, 14105, 14508, 14638, 15764, 16380, 16890, 16926, 17453, 18135, 19530, 19705, 20268, 21957, 23646, 24180, 25335, 25389, 28210, 29276, 33780, 33852, 34906, 35469, 36270, 36595, 39060, 39410, 42315, 43914, 47292, 50670, 50778, 51233, 52359, 56420, 59115, 65871, 69812, 70938, 72540, 73190, 78820, 84630, 87265, 87828, 101340, 101556, 102466, 104718, 109785, 118230, 122171, 126945, 131742, 141876, 146380, 153699, 157077, 169260, 174530, 177345, 204932, 209436, 219570, 226889, 236460, 244342, 253890, 256165, 261795, 263484, 307398, 314154, 329355, 349060, 354690, 366513, 439140, 453778, 461097, 488684, 507780, 512330, 523590, 610855, 614796, 628308, 658710, 680667, 709380, 733026, 768495, 785385, 907556, 922194, 1024660, 1047180, 1099539, 1134445, 1221710, 1317420, 1361334, 1466052, 1536990, 1570770, 1588223, 1832565, 1844388, 2042001, 2199078, 2268890, 2305485, 2443420, 2722668, 3073980, 3141540, 3176446, 3403335, 3665130, 4084002, 4398156, 4537780, 4610970, 4764669, 5497695, 6352892, 6806670, 7330260, 7941115, 8168004, 9221940, 9529338, 10210005, 10995390, 13613340, 14294007, 15882230, 19058676, 20420010, 21990780, 23823345, 28588014, 31764460, 40840020, 47646690, 57176028, 71470035, 95293380, 142940070, 285880140]

約数ペア:

[(1, 285880140), (2, 142940070), (3, 95293380), (4, 71470035), (5, 57176028), (6, 47646690), (7, 40840020), (9, 31764460), (10, 28588014), (12, 23823345), (13, 21990780), (14, 20420010), (15, 19058676), (18, 15882230), (20, 14294007), (21, 13613340), (26, 10995390), (28, 10210005), (30, 9529338), (31, 9221940), (35, 8168004), (36, 7941115), (39, 7330260), (42, 6806670), (45, 6352892), (52, 5497695), (60, 4764669), (62, 4610970), (63, 4537780), (65, 4398156), (70, 4084002), (78, 3665130), (84, 3403335), (90, 3176446), (91, 3141540), (93, 3073980), (105, 2722668), (117, 2443420), (124, 2305485), (126, 2268890), (130, 2199078), (140, 2042001), (155, 1844388), (156, 1832565), (180, 1588223), (182, 1570770), (186, 1536990), (195, 1466052), (210, 1361334), (217, 1317420), (234, 1221710), (252, 1134445), (260, 1099539), (273, 1047180), (279, 1024660), (310, 922194), (315, 907556), (364, 785385), (372, 768495), (390, 733026), (403, 709380), (420, 680667), (434, 658710), (455, 628308), (465, 614796), (468, 610855), (546, 523590), (558, 512330), (563, 507780), (585, 488684), (620, 461097), (630, 453778), (651, 439140), (780, 366513), (806, 354690), (819, 349060), (868, 329355), (910, 314154), (930, 307398), (1085, 263484), (1092, 261795), (1116, 256165), (1126, 253890), (1170, 244342), (1209, 236460), (1260, 226889), (1302, 219570), (1365, 209436), (1395, 204932), (1612, 177345), (1638, 174530), (1689, 169260), (1820, 157077), (1860, 153699), (1953, 146380), (2015, 141876), (2170, 131742), (2252, 126945), (2340, 122171), (2418, 118230), (2604, 109785), (2730, 104718), (2790, 102466), (2815, 101556), (2821, 101340), (3255, 87828), (3276, 87265), (3378, 84630), (3627, 78820), (3906, 73190), (3941, 72540), (4030, 70938), (4095, 69812), (4340, 65871), (4836, 59115), (5067, 56420), (5460, 52359), (5580, 51233), (5630, 50778), (5642, 50670), (6045, 47292), (6510, 43914), (6756, 42315), (7254, 39410), (7319, 39060), (7812, 36595), (7882, 36270), (8060, 35469), (8190, 34906), (8445, 33852), (8463, 33780), (9765, 29276), (10134, 28210), (11260, 25389), (11284, 25335), (11823, 24180), (12090, 23646), (13020, 21957), (14105, 20268), (14508, 19705), (14638, 19530), (15764, 18135), (16380, 17453), (16890, 16926)]