399505680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2614

約数の個数: 240

約数和(自身を含む): 1583422464

約数和(自身を除く): 1183916784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2557, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5114, 5208, 5580, 6510, 7440, 7671, 7812, 8680, 9765, 10228, 10416, 11160, 12785, 13020, 15342, 15624, 17360, 17899, 19530, 20456, 22320, 23013, 25570, 26040, 30684, 31248, 35798, 38355, 39060, 40912, 46026, 51140, 52080, 53697, 61368, 71596, 76710, 78120, 79267, 89495, 92052, 102280, 107394, 115065, 122736, 143192, 153420, 156240, 158534, 161091, 178990, 184104, 204560, 214788, 230130, 237801, 268485, 286384, 306840, 317068, 322182, 357980, 368208, 396335, 429576, 460260, 475602, 536970, 554869, 613680, 634136, 644364, 713403, 715960, 792670, 805455, 859152, 920520, 951204, 1073940, 1109738, 1189005, 1268272, 1288728, 1426806, 1431920, 1585340, 1610910, 1664607, 1841040, 1902408, 2147880, 2219476, 2378010, 2577456, 2774345, 2853612, 3170680, 3221820, 3329214, 3567015, 3804816, 4295760, 4438952, 4756020, 4993821, 5548690, 5707224, 6341360, 6443640, 6658428, 7134030, 8323035, 8877904, 9512040, 9987642, 11097380, 11414448, 12887280, 13316856, 14268060, 16646070, 19024080, 19975284, 22194760, 24969105, 26633712, 28536120, 33292140, 39950568, 44389520, 49938210, 57072240, 66584280, 79901136, 99876420, 133168560, 199752840, 399505680]

約数ペア:

[(1, 399505680), (2, 199752840), (3, 133168560), (4, 99876420), (5, 79901136), (6, 66584280), (7, 57072240), (8, 49938210), (9, 44389520), (10, 39950568), (12, 33292140), (14, 28536120), (15, 26633712), (16, 24969105), (18, 22194760), (20, 19975284), (21, 19024080), (24, 16646070), (28, 14268060), (30, 13316856), (31, 12887280), (35, 11414448), (36, 11097380), (40, 9987642), (42, 9512040), (45, 8877904), (48, 8323035), (56, 7134030), (60, 6658428), (62, 6443640), (63, 6341360), (70, 5707224), (72, 5548690), (80, 4993821), (84, 4756020), (90, 4438952), (93, 4295760), (105, 3804816), (112, 3567015), (120, 3329214), (124, 3221820), (126, 3170680), (140, 2853612), (144, 2774345), (155, 2577456), (168, 2378010), (180, 2219476), (186, 2147880), (210, 1902408), (217, 1841040), (240, 1664607), (248, 1610910), (252, 1585340), (279, 1431920), (280, 1426806), (310, 1288728), (315, 1268272), (336, 1189005), (360, 1109738), (372, 1073940), (420, 951204), (434, 920520), (465, 859152), (496, 805455), (504, 792670), (558, 715960), (560, 713403), (620, 644364), (630, 634136), (651, 613680), (720, 554869), (744, 536970), (840, 475602), (868, 460260), (930, 429576), (1008, 396335), (1085, 368208), (1116, 357980), (1240, 322182), (1260, 317068), (1302, 306840), (1395, 286384), (1488, 268485), (1680, 237801), (1736, 230130), (1860, 214788), (1953, 204560), (2170, 184104), (2232, 178990), (2480, 161091), (2520, 158534), (2557, 156240), (2604, 153420), (2790, 143192), (3255, 122736), (3472, 115065), (3720, 107394), (3906, 102280), (4340, 92052), (4464, 89495), (5040, 79267), (5114, 78120), (5208, 76710), (5580, 71596), (6510, 61368), (7440, 53697), (7671, 52080), (7812, 51140), (8680, 46026), (9765, 40912), (10228, 39060), (10416, 38355), (11160, 35798), (12785, 31248), (13020, 30684), (15342, 26040), (15624, 25570), (17360, 23013), (17899, 22320), (19530, 20456)]