913969280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6581}}^1$

素因数の和:6638

約数の個数: 128

約数和(自身を含む): 2578037760

約数和(自身を除く): 1664068480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6581, 6944, 8680, 9920, 13162, 13888, 17360, 19840, 26324, 27776, 32905, 34720, 46067, 52648, 65810, 69440, 92134, 105296, 131620, 138880, 184268, 204011, 210592, 230335, 263240, 368536, 408022, 421184, 460670, 526480, 737072, 816044, 842368, 921340, 1020055, 1052960, 1428077, 1474144, 1632088, 1842680, 2040110, 2105920, 2856154, 2948288, 3264176, 3685360, 4080220, 4211840, 5712308, 5896576, 6528352, 7140385, 7370720, 8160440, 11424616, 13056704, 14280770, 14741440, 16320880, 22849232, 26113408, 28561540, 29482880, 32641760, 45698464, 57123080, 65283520, 91396928, 114246160, 130567040, 182793856, 228492320, 456984640, 913969280]

約数ペア:

[(1, 913969280), (2, 456984640), (4, 228492320), (5, 182793856), (7, 130567040), (8, 114246160), (10, 91396928), (14, 65283520), (16, 57123080), (20, 45698464), (28, 32641760), (31, 29482880), (32, 28561540), (35, 26113408), (40, 22849232), (56, 16320880), (62, 14741440), (64, 14280770), (70, 13056704), (80, 11424616), (112, 8160440), (124, 7370720), (128, 7140385), (140, 6528352), (155, 5896576), (160, 5712308), (217, 4211840), (224, 4080220), (248, 3685360), (280, 3264176), (310, 2948288), (320, 2856154), (434, 2105920), (448, 2040110), (496, 1842680), (560, 1632088), (620, 1474144), (640, 1428077), (868, 1052960), (896, 1020055), (992, 921340), (1085, 842368), (1120, 816044), (1240, 737072), (1736, 526480), (1984, 460670), (2170, 421184), (2240, 408022), (2480, 368536), (3472, 263240), (3968, 230335), (4340, 210592), (4480, 204011), (4960, 184268), (6581, 138880), (6944, 131620), (8680, 105296), (9920, 92134), (13162, 69440), (13888, 65810), (17360, 52648), (19840, 46067), (26324, 34720), (27776, 32905)]