387779280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3251}}^1$

素因数の和:3345

約数の個数: 160

約数和(自身を含む): 1393625088

約数和(自身を除く): 1005845808

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, 2485, 2840, 2982, 3251, 3408, 3976, 4260, 4970, 5680, 5964, 6502, 7455, 7952, 8520, 9753, 9940, 11928, 13004, 14910, 16255, 17040, 19506, 19880, 22757, 23856, 26008, 29820, 32510, 39012, 39760, 45514, 48765, 52016, 59640, 65020, 68271, 78024, 91028, 97530, 113785, 119280, 130040, 136542, 156048, 182056, 195060, 227570, 230821, 260080, 273084, 341355, 364112, 390120, 455140, 461642, 546168, 682710, 692463, 780240, 910280, 923284, 1092336, 1154105, 1365420, 1384926, 1615747, 1820560, 1846568, 2308210, 2730840, 2769852, 3231494, 3462315, 3693136, 4616420, 4847241, 5461680, 5539704, 6462988, 6924630, 8078735, 9232840, 9694482, 11079408, 12925976, 13849260, 16157470, 18465680, 19388964, 24236205, 25851952, 27698520, 32314940, 38777928, 48472410, 55397040, 64629880, 77555856, 96944820, 129259760, 193889640, 387779280]

約数ペア:

[(1, 387779280), (2, 193889640), (3, 129259760), (4, 96944820), (5, 77555856), (6, 64629880), (7, 55397040), (8, 48472410), (10, 38777928), (12, 32314940), (14, 27698520), (15, 25851952), (16, 24236205), (20, 19388964), (21, 18465680), (24, 16157470), (28, 13849260), (30, 12925976), (35, 11079408), (40, 9694482), (42, 9232840), (48, 8078735), (56, 6924630), (60, 6462988), (70, 5539704), (71, 5461680), (80, 4847241), (84, 4616420), (105, 3693136), (112, 3462315), (120, 3231494), (140, 2769852), (142, 2730840), (168, 2308210), (210, 1846568), (213, 1820560), (240, 1615747), (280, 1384926), (284, 1365420), (336, 1154105), (355, 1092336), (420, 923284), (426, 910280), (497, 780240), (560, 692463), (568, 682710), (710, 546168), (840, 461642), (852, 455140), (994, 390120), (1065, 364112), (1136, 341355), (1420, 273084), (1491, 260080), (1680, 230821), (1704, 227570), (1988, 195060), (2130, 182056), (2485, 156048), (2840, 136542), (2982, 130040), (3251, 119280), (3408, 113785), (3976, 97530), (4260, 91028), (4970, 78024), (5680, 68271), (5964, 65020), (6502, 59640), (7455, 52016), (7952, 48765), (8520, 45514), (9753, 39760), (9940, 39012), (11928, 32510), (13004, 29820), (14910, 26008), (16255, 23856), (17040, 22757), (19506, 19880)]