281142960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2357}}^1$

素因数の和:2451

約数の個数: 160

約数和(自身を含む): 1010506752

約数和(自身を除く): 729363792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 710, 840, 852, 994, 1065, 1136, 1420, 1491, 1680, 1704, 1988, 2130, 2357, 2485, 2840, 2982, 3408, 3976, 4260, 4714, 4970, 5680, 5964, 7071, 7455, 7952, 8520, 9428, 9940, 11785, 11928, 14142, 14910, 16499, 17040, 18856, 19880, 23570, 23856, 28284, 29820, 32998, 35355, 37712, 39760, 47140, 49497, 56568, 59640, 65996, 70710, 82495, 94280, 98994, 113136, 119280, 131992, 141420, 164990, 167347, 188560, 197988, 247485, 263984, 282840, 329980, 334694, 395976, 494970, 502041, 565680, 659960, 669388, 791952, 836735, 989940, 1004082, 1171429, 1319920, 1338776, 1673470, 1979880, 2008164, 2342858, 2510205, 2677552, 3346940, 3514287, 3959760, 4016328, 4685716, 5020410, 5857145, 6693880, 7028574, 8032656, 9371432, 10040820, 11714290, 13387760, 14057148, 17571435, 18742864, 20081640, 23428580, 28114296, 35142870, 40163280, 46857160, 56228592, 70285740, 93714320, 140571480, 281142960]

約数ペア:

[(1, 281142960), (2, 140571480), (3, 93714320), (4, 70285740), (5, 56228592), (6, 46857160), (7, 40163280), (8, 35142870), (10, 28114296), (12, 23428580), (14, 20081640), (15, 18742864), (16, 17571435), (20, 14057148), (21, 13387760), (24, 11714290), (28, 10040820), (30, 9371432), (35, 8032656), (40, 7028574), (42, 6693880), (48, 5857145), (56, 5020410), (60, 4685716), (70, 4016328), (71, 3959760), (80, 3514287), (84, 3346940), (105, 2677552), (112, 2510205), (120, 2342858), (140, 2008164), (142, 1979880), (168, 1673470), (210, 1338776), (213, 1319920), (240, 1171429), (280, 1004082), (284, 989940), (336, 836735), (355, 791952), (420, 669388), (426, 659960), (497, 565680), (560, 502041), (568, 494970), (710, 395976), (840, 334694), (852, 329980), (994, 282840), (1065, 263984), (1136, 247485), (1420, 197988), (1491, 188560), (1680, 167347), (1704, 164990), (1988, 141420), (2130, 131992), (2357, 119280), (2485, 113136), (2840, 98994), (2982, 94280), (3408, 82495), (3976, 70710), (4260, 65996), (4714, 59640), (4970, 56568), (5680, 49497), (5964, 47140), (7071, 39760), (7455, 37712), (7952, 35355), (8520, 32998), (9428, 29820), (9940, 28284), (11785, 23856), (11928, 23570), (14142, 19880), (14910, 18856), (16499, 17040)]