305266920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:688

約数の個数: 256

約数和(自身を含む): 1139097600

約数和(自身を除く): 833830680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 266, 280, 285, 310, 372, 380, 399, 420, 434, 456, 465, 532, 570, 589, 617, 620, 651, 665, 744, 760, 798, 840, 868, 930, 1064, 1085, 1140, 1178, 1234, 1240, 1302, 1330, 1596, 1736, 1767, 1851, 1860, 1995, 2170, 2280, 2356, 2468, 2604, 2660, 2945, 3085, 3192, 3255, 3534, 3702, 3720, 3990, 4123, 4319, 4340, 4712, 4936, 5208, 5320, 5890, 6170, 6510, 7068, 7404, 7980, 8246, 8638, 8680, 8835, 9255, 11723, 11780, 12340, 12369, 12957, 13020, 14136, 14808, 15960, 16492, 17276, 17670, 18510, 19127, 20615, 21595, 23446, 23560, 24680, 24738, 25914, 26040, 32984, 34552, 35169, 35340, 37020, 38254, 41230, 43190, 46892, 49476, 51828, 57381, 58615, 61845, 64785, 70338, 70680, 74040, 76508, 82061, 82460, 86380, 93784, 95635, 98952, 103656, 114762, 117230, 123690, 129570, 133889, 140676, 153016, 164122, 164920, 172760, 175845, 191270, 229524, 234460, 246183, 247380, 259140, 267778, 281352, 286905, 328244, 351690, 363413, 382540, 401667, 410305, 459048, 468920, 492366, 494760, 518280, 535556, 573810, 656488, 669445, 703380, 726826, 765080, 803334, 820610, 984732, 1071112, 1090239, 1147620, 1230915, 1338890, 1406760, 1453652, 1606668, 1641220, 1817065, 1969464, 2008335, 2180478, 2295240, 2461830, 2543891, 2677780, 2907304, 3213336, 3282440, 3634130, 4016670, 4360956, 4923660, 5087782, 5355560, 5451195, 7268260, 7631673, 8033340, 8721912, 9847320, 10175564, 10902390, 12719455, 14536520, 15263346, 16066680, 20351128, 21804780, 25438910, 30526692, 38158365, 43609560, 50877820, 61053384, 76316730, 101755640, 152633460, 305266920]

約数ペア:

[(1, 305266920), (2, 152633460), (3, 101755640), (4, 76316730), (5, 61053384), (6, 50877820), (7, 43609560), (8, 38158365), (10, 30526692), (12, 25438910), (14, 21804780), (15, 20351128), (19, 16066680), (20, 15263346), (21, 14536520), (24, 12719455), (28, 10902390), (30, 10175564), (31, 9847320), (35, 8721912), (38, 8033340), (40, 7631673), (42, 7268260), (56, 5451195), (57, 5355560), (60, 5087782), (62, 4923660), (70, 4360956), (76, 4016670), (84, 3634130), (93, 3282440), (95, 3213336), (105, 2907304), (114, 2677780), (120, 2543891), (124, 2461830), (133, 2295240), (140, 2180478), (152, 2008335), (155, 1969464), (168, 1817065), (186, 1641220), (190, 1606668), (210, 1453652), (217, 1406760), (228, 1338890), (248, 1230915), (266, 1147620), (280, 1090239), (285, 1071112), (310, 984732), (372, 820610), (380, 803334), (399, 765080), (420, 726826), (434, 703380), (456, 669445), (465, 656488), (532, 573810), (570, 535556), (589, 518280), (617, 494760), (620, 492366), (651, 468920), (665, 459048), (744, 410305), (760, 401667), (798, 382540), (840, 363413), (868, 351690), (930, 328244), (1064, 286905), (1085, 281352), (1140, 267778), (1178, 259140), (1234, 247380), (1240, 246183), (1302, 234460), (1330, 229524), (1596, 191270), (1736, 175845), (1767, 172760), (1851, 164920), (1860, 164122), (1995, 153016), (2170, 140676), (2280, 133889), (2356, 129570), (2468, 123690), (2604, 117230), (2660, 114762), (2945, 103656), (3085, 98952), (3192, 95635), (3255, 93784), (3534, 86380), (3702, 82460), (3720, 82061), (3990, 76508), (4123, 74040), (4319, 70680), (4340, 70338), (4712, 64785), (4936, 61845), (5208, 58615), (5320, 57381), (5890, 51828), (6170, 49476), (6510, 46892), (7068, 43190), (7404, 41230), (7980, 38254), (8246, 37020), (8638, 35340), (8680, 35169), (8835, 34552), (9255, 32984), (11723, 26040), (11780, 25914), (12340, 24738), (12369, 24680), (12957, 23560), (13020, 23446), (14136, 21595), (14808, 20615), (15960, 19127), (16492, 18510), (17276, 17670)]