407221920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:668

約数の個数: 288

約数和(自身を含む): 1613364480

約数和(自身を除く): 1206142560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 71, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 142, 144, 160, 168, 180, 210, 213, 224, 240, 252, 280, 284, 288, 315, 336, 355, 360, 420, 426, 480, 497, 504, 560, 568, 569, 630, 639, 672, 710, 720, 840, 852, 994, 1008, 1065, 1120, 1136, 1138, 1260, 1278, 1420, 1440, 1491, 1680, 1704, 1707, 1988, 2016, 2130, 2272, 2276, 2485, 2520, 2556, 2840, 2845, 2982, 3195, 3360, 3408, 3414, 3976, 3983, 4260, 4473, 4552, 4970, 5040, 5112, 5121, 5680, 5690, 5964, 6390, 6816, 6828, 7455, 7952, 7966, 8520, 8535, 8946, 9104, 9940, 10080, 10224, 10242, 11360, 11380, 11928, 11949, 12780, 13656, 14910, 15904, 15932, 17040, 17070, 17892, 18208, 19880, 19915, 20448, 20484, 22365, 22760, 23856, 23898, 25560, 25605, 27312, 29820, 31864, 34080, 34140, 35784, 35847, 39760, 39830, 40399, 40968, 44730, 45520, 47712, 47796, 51120, 51210, 54624, 59640, 59745, 63728, 68280, 71568, 71694, 79520, 79660, 80798, 81936, 89460, 91040, 95592, 102240, 102420, 119280, 119490, 121197, 127456, 136560, 143136, 143388, 159320, 161596, 163872, 178920, 179235, 191184, 201995, 204840, 238560, 238980, 242394, 273120, 282793, 286776, 318640, 323192, 357840, 358470, 363591, 382368, 403990, 409680, 477960, 484788, 565586, 573552, 605985, 637280, 646384, 715680, 716940, 727182, 807980, 819360, 848379, 955920, 969576, 1131172, 1147104, 1211970, 1292768, 1413965, 1433880, 1454364, 1615960, 1696758, 1817955, 1911840, 1939152, 2262344, 2423940, 2545137, 2827930, 2867760, 2908728, 3231920, 3393516, 3635910, 3878304, 4241895, 4524688, 4847880, 5090274, 5655860, 5735520, 5817456, 6463840, 6787032, 7271820, 8483790, 9049376, 9695760, 10180548, 11311720, 11634912, 12725685, 13574064, 14543640, 16967580, 19391520, 20361096, 22623440, 25451370, 27148128, 29087280, 33935160, 40722192, 45246880, 50902740, 58174560, 67870320, 81444384, 101805480, 135740640, 203610960, 407221920]

約数ペア:

[(1, 407221920), (2, 203610960), (3, 135740640), (4, 101805480), (5, 81444384), (6, 67870320), (7, 58174560), (8, 50902740), (9, 45246880), (10, 40722192), (12, 33935160), (14, 29087280), (15, 27148128), (16, 25451370), (18, 22623440), (20, 20361096), (21, 19391520), (24, 16967580), (28, 14543640), (30, 13574064), (32, 12725685), (35, 11634912), (36, 11311720), (40, 10180548), (42, 9695760), (45, 9049376), (48, 8483790), (56, 7271820), (60, 6787032), (63, 6463840), (70, 5817456), (71, 5735520), (72, 5655860), (80, 5090274), (84, 4847880), (90, 4524688), (96, 4241895), (105, 3878304), (112, 3635910), (120, 3393516), (126, 3231920), (140, 2908728), (142, 2867760), (144, 2827930), (160, 2545137), (168, 2423940), (180, 2262344), (210, 1939152), (213, 1911840), (224, 1817955), (240, 1696758), (252, 1615960), (280, 1454364), (284, 1433880), (288, 1413965), (315, 1292768), (336, 1211970), (355, 1147104), (360, 1131172), (420, 969576), (426, 955920), (480, 848379), (497, 819360), (504, 807980), (560, 727182), (568, 716940), (569, 715680), (630, 646384), (639, 637280), (672, 605985), (710, 573552), (720, 565586), (840, 484788), (852, 477960), (994, 409680), (1008, 403990), (1065, 382368), (1120, 363591), (1136, 358470), (1138, 357840), (1260, 323192), (1278, 318640), (1420, 286776), (1440, 282793), (1491, 273120), (1680, 242394), (1704, 238980), (1707, 238560), (1988, 204840), (2016, 201995), (2130, 191184), (2272, 179235), (2276, 178920), (2485, 163872), (2520, 161596), (2556, 159320), (2840, 143388), (2845, 143136), (2982, 136560), (3195, 127456), (3360, 121197), (3408, 119490), (3414, 119280), (3976, 102420), (3983, 102240), (4260, 95592), (4473, 91040), (4552, 89460), (4970, 81936), (5040, 80798), (5112, 79660), (5121, 79520), (5680, 71694), (5690, 71568), (5964, 68280), (6390, 63728), (6816, 59745), (6828, 59640), (7455, 54624), (7952, 51210), (7966, 51120), (8520, 47796), (8535, 47712), (8946, 45520), (9104, 44730), (9940, 40968), (10080, 40399), (10224, 39830), (10242, 39760), (11360, 35847), (11380, 35784), (11928, 34140), (11949, 34080), (12780, 31864), (13656, 29820), (14910, 27312), (15904, 25605), (15932, 25560), (17040, 23898), (17070, 23856), (17892, 22760), (18208, 22365), (19880, 20484), (19915, 20448)]