263179980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:645

約数の個数: 216

約数和(自身を含む): 947851632

約数和(自身を除く): 684671652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 53, 60, 63, 70, 84, 90, 98, 105, 106, 126, 140, 147, 159, 180, 196, 210, 212, 245, 252, 265, 294, 315, 318, 371, 420, 441, 477, 490, 530, 563, 588, 630, 636, 735, 742, 795, 882, 954, 980, 1060, 1113, 1126, 1260, 1470, 1484, 1590, 1689, 1764, 1855, 1908, 2205, 2226, 2252, 2385, 2597, 2815, 2940, 3180, 3339, 3378, 3710, 3941, 4410, 4452, 4770, 5067, 5194, 5565, 5630, 6678, 6756, 7420, 7791, 7882, 8445, 8820, 9540, 10134, 10388, 11130, 11260, 11823, 12985, 13356, 15582, 15764, 16695, 16890, 19705, 20268, 22260, 23373, 23646, 25335, 25970, 27587, 29839, 31164, 33390, 33780, 35469, 38955, 39410, 46746, 47292, 50670, 51940, 55174, 59115, 59678, 66780, 70938, 77910, 78820, 82761, 89517, 93492, 101340, 110348, 116865, 118230, 119356, 137935, 141876, 149195, 155820, 165522, 177345, 179034, 208873, 233730, 236460, 248283, 268551, 275870, 298390, 331044, 354690, 358068, 413805, 417746, 447585, 467460, 496566, 537102, 551740, 596780, 626619, 709380, 827610, 835492, 895170, 993132, 1044365, 1074204, 1241415, 1253238, 1342755, 1462111, 1655220, 1790340, 1879857, 2088730, 2482830, 2506476, 2685510, 2924222, 3133095, 3759714, 4177460, 4386333, 4965660, 5371020, 5848444, 6266190, 7310555, 7519428, 8772666, 9399285, 12532380, 13158999, 14621110, 17545332, 18798570, 21931665, 26317998, 29242220, 37597140, 43863330, 52635996, 65794995, 87726660, 131589990, 263179980]

約数ペア:

[(1, 263179980), (2, 131589990), (3, 87726660), (4, 65794995), (5, 52635996), (6, 43863330), (7, 37597140), (9, 29242220), (10, 26317998), (12, 21931665), (14, 18798570), (15, 17545332), (18, 14621110), (20, 13158999), (21, 12532380), (28, 9399285), (30, 8772666), (35, 7519428), (36, 7310555), (42, 6266190), (45, 5848444), (49, 5371020), (53, 4965660), (60, 4386333), (63, 4177460), (70, 3759714), (84, 3133095), (90, 2924222), (98, 2685510), (105, 2506476), (106, 2482830), (126, 2088730), (140, 1879857), (147, 1790340), (159, 1655220), (180, 1462111), (196, 1342755), (210, 1253238), (212, 1241415), (245, 1074204), (252, 1044365), (265, 993132), (294, 895170), (315, 835492), (318, 827610), (371, 709380), (420, 626619), (441, 596780), (477, 551740), (490, 537102), (530, 496566), (563, 467460), (588, 447585), (630, 417746), (636, 413805), (735, 358068), (742, 354690), (795, 331044), (882, 298390), (954, 275870), (980, 268551), (1060, 248283), (1113, 236460), (1126, 233730), (1260, 208873), (1470, 179034), (1484, 177345), (1590, 165522), (1689, 155820), (1764, 149195), (1855, 141876), (1908, 137935), (2205, 119356), (2226, 118230), (2252, 116865), (2385, 110348), (2597, 101340), (2815, 93492), (2940, 89517), (3180, 82761), (3339, 78820), (3378, 77910), (3710, 70938), (3941, 66780), (4410, 59678), (4452, 59115), (4770, 55174), (5067, 51940), (5194, 50670), (5565, 47292), (5630, 46746), (6678, 39410), (6756, 38955), (7420, 35469), (7791, 33780), (7882, 33390), (8445, 31164), (8820, 29839), (9540, 27587), (10134, 25970), (10388, 25335), (11130, 23646), (11260, 23373), (11823, 22260), (12985, 20268), (13356, 19705), (15582, 16890), (15764, 16695)]