1321291680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{161923}}^1$

素因数の和:161958

約数の個数: 96

約数和(自身を含む): 4406923584

約数和(自身を除く): 3085631904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2720, 4080, 8160, 161923, 323846, 485769, 647692, 809615, 971538, 1295384, 1619230, 1943076, 2428845, 2590768, 2752691, 3238460, 3886152, 4857690, 5181536, 5505382, 6476920, 7772304, 8258073, 9715380, 11010764, 12953840, 13763455, 15544608, 16516146, 19430760, 22021528, 25907680, 27526910, 33032292, 38861520, 41290365, 44043056, 55053820, 66064584, 77723040, 82580730, 88086112, 110107640, 132129168, 165161460, 220215280, 264258336, 330322920, 440430560, 660645840, 1321291680]

約数ペア:

[(1, 1321291680), (2, 660645840), (3, 440430560), (4, 330322920), (5, 264258336), (6, 220215280), (8, 165161460), (10, 132129168), (12, 110107640), (15, 88086112), (16, 82580730), (17, 77723040), (20, 66064584), (24, 55053820), (30, 44043056), (32, 41290365), (34, 38861520), (40, 33032292), (48, 27526910), (51, 25907680), (60, 22021528), (68, 19430760), (80, 16516146), (85, 15544608), (96, 13763455), (102, 12953840), (120, 11010764), (136, 9715380), (160, 8258073), (170, 7772304), (204, 6476920), (240, 5505382), (255, 5181536), (272, 4857690), (340, 3886152), (408, 3238460), (480, 2752691), (510, 2590768), (544, 2428845), (680, 1943076), (816, 1619230), (1020, 1295384), (1360, 971538), (1632, 809615), (2040, 647692), (2720, 485769), (4080, 323846), (8160, 161923)]