400052520

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:630

約数の個数: 320

約数和(自身を含む): 1589068800

約数和(自身を除く): 1189016280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 81, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 162, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 324, 360, 372, 378, 405, 420, 434, 465, 504, 540, 558, 567, 569, 620, 630, 648, 651, 744, 756, 810, 837, 840, 868, 930, 945, 1080, 1085, 1116, 1134, 1138, 1240, 1260, 1302, 1395, 1512, 1620, 1674, 1707, 1736, 1860, 1890, 1953, 2170, 2232, 2268, 2276, 2511, 2520, 2604, 2790, 2835, 2845, 3240, 3255, 3348, 3414, 3720, 3780, 3906, 3983, 4185, 4340, 4536, 4552, 5022, 5121, 5208, 5580, 5670, 5690, 5859, 6510, 6696, 6828, 7560, 7812, 7966, 8370, 8535, 8680, 9765, 10044, 10242, 11160, 11340, 11380, 11718, 11949, 12555, 13020, 13656, 15363, 15624, 15932, 16740, 17070, 17577, 17639, 19530, 19915, 20088, 20484, 22680, 22760, 23436, 23898, 25110, 25605, 26040, 29295, 30726, 31864, 33480, 34140, 35154, 35278, 35847, 39060, 39830, 40968, 46089, 46872, 47796, 50220, 51210, 52917, 58590, 59745, 61452, 68280, 70308, 70556, 71694, 76815, 78120, 79660, 87885, 88195, 92178, 95592, 100440, 102420, 105834, 107541, 117180, 119490, 122904, 123473, 140616, 141112, 143388, 153630, 158751, 159320, 175770, 176390, 179235, 184356, 204840, 211668, 215082, 230445, 234360, 238980, 246946, 264585, 286776, 307260, 317502, 322623, 351540, 352780, 358470, 368712, 370419, 423336, 430164, 460890, 476253, 477960, 493892, 529170, 537705, 614520, 617365, 635004, 645246, 703080, 705560, 716940, 740838, 793755, 860328, 921780, 952506, 987784, 1058340, 1075410, 1111257, 1234730, 1270008, 1290492, 1428759, 1433880, 1481676, 1587510, 1613115, 1843560, 1852095, 1905012, 2116680, 2150820, 2222514, 2381265, 2469460, 2580984, 2857518, 2963352, 3175020, 3226230, 3333771, 3704190, 3810024, 4301640, 4445028, 4762530, 4938920, 5556285, 5715036, 6350040, 6452460, 6667542, 7143795, 7408380, 8890056, 9525060, 10001313, 11112570, 11430072, 12904920, 13335084, 14287590, 14816760, 16668855, 19050120, 20002626, 22225140, 26670168, 28575180, 33337710, 40005252, 44450280, 50006565, 57150360, 66675420, 80010504, 100013130, 133350840, 200026260, 400052520]

約数ペア:

[(1, 400052520), (2, 200026260), (3, 133350840), (4, 100013130), (5, 80010504), (6, 66675420), (7, 57150360), (8, 50006565), (9, 44450280), (10, 40005252), (12, 33337710), (14, 28575180), (15, 26670168), (18, 22225140), (20, 20002626), (21, 19050120), (24, 16668855), (27, 14816760), (28, 14287590), (30, 13335084), (31, 12904920), (35, 11430072), (36, 11112570), (40, 10001313), (42, 9525060), (45, 8890056), (54, 7408380), (56, 7143795), (60, 6667542), (62, 6452460), (63, 6350040), (70, 5715036), (72, 5556285), (81, 4938920), (84, 4762530), (90, 4445028), (93, 4301640), (105, 3810024), (108, 3704190), (120, 3333771), (124, 3226230), (126, 3175020), (135, 2963352), (140, 2857518), (155, 2580984), (162, 2469460), (168, 2381265), (180, 2222514), (186, 2150820), (189, 2116680), (210, 1905012), (216, 1852095), (217, 1843560), (248, 1613115), (252, 1587510), (270, 1481676), (279, 1433880), (280, 1428759), (310, 1290492), (315, 1270008), (324, 1234730), (360, 1111257), (372, 1075410), (378, 1058340), (405, 987784), (420, 952506), (434, 921780), (465, 860328), (504, 793755), (540, 740838), (558, 716940), (567, 705560), (569, 703080), (620, 645246), (630, 635004), (648, 617365), (651, 614520), (744, 537705), (756, 529170), (810, 493892), (837, 477960), (840, 476253), (868, 460890), (930, 430164), (945, 423336), (1080, 370419), (1085, 368712), (1116, 358470), (1134, 352780), (1138, 351540), (1240, 322623), (1260, 317502), (1302, 307260), (1395, 286776), (1512, 264585), (1620, 246946), (1674, 238980), (1707, 234360), (1736, 230445), (1860, 215082), (1890, 211668), (1953, 204840), (2170, 184356), (2232, 179235), (2268, 176390), (2276, 175770), (2511, 159320), (2520, 158751), (2604, 153630), (2790, 143388), (2835, 141112), (2845, 140616), (3240, 123473), (3255, 122904), (3348, 119490), (3414, 117180), (3720, 107541), (3780, 105834), (3906, 102420), (3983, 100440), (4185, 95592), (4340, 92178), (4536, 88195), (4552, 87885), (5022, 79660), (5121, 78120), (5208, 76815), (5580, 71694), (5670, 70556), (5690, 70308), (5859, 68280), (6510, 61452), (6696, 59745), (6828, 58590), (7560, 52917), (7812, 51210), (7966, 50220), (8370, 47796), (8535, 46872), (8680, 46089), (9765, 40968), (10044, 39830), (10242, 39060), (11160, 35847), (11340, 35278), (11380, 35154), (11718, 34140), (11949, 33480), (12555, 31864), (13020, 30726), (13656, 29295), (15363, 26040), (15624, 25605), (15932, 25110), (16740, 23898), (17070, 23436), (17577, 22760), (17639, 22680), (19530, 20484), (19915, 20088)]