87783640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 241781760

約数和(自身を除く): 153998120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 86, 92, 115, 140, 161, 172, 184, 215, 230, 280, 301, 317, 322, 344, 430, 460, 602, 634, 644, 805, 860, 920, 989, 1204, 1268, 1288, 1505, 1585, 1610, 1720, 1978, 2219, 2408, 2536, 3010, 3170, 3220, 3956, 4438, 4945, 6020, 6340, 6440, 6923, 7291, 7912, 8876, 9890, 11095, 12040, 12680, 13631, 13846, 14582, 17752, 19780, 22190, 27262, 27692, 29164, 34615, 36455, 39560, 44380, 51037, 54524, 55384, 58328, 68155, 69230, 72910, 88760, 95417, 102074, 109048, 136310, 138460, 145820, 190834, 204148, 255185, 272620, 276920, 291640, 313513, 381668, 408296, 477085, 510370, 545240, 627026, 763336, 954170, 1020740, 1254052, 1567565, 1908340, 2041480, 2194591, 2508104, 3135130, 3816680, 4389182, 6270260, 8778364, 10972955, 12540520, 17556728, 21945910, 43891820, 87783640]

約数ペア:

[(1, 87783640), (2, 43891820), (4, 21945910), (5, 17556728), (7, 12540520), (8, 10972955), (10, 8778364), (14, 6270260), (20, 4389182), (23, 3816680), (28, 3135130), (35, 2508104), (40, 2194591), (43, 2041480), (46, 1908340), (56, 1567565), (70, 1254052), (86, 1020740), (92, 954170), (115, 763336), (140, 627026), (161, 545240), (172, 510370), (184, 477085), (215, 408296), (230, 381668), (280, 313513), (301, 291640), (317, 276920), (322, 272620), (344, 255185), (430, 204148), (460, 190834), (602, 145820), (634, 138460), (644, 136310), (805, 109048), (860, 102074), (920, 95417), (989, 88760), (1204, 72910), (1268, 69230), (1288, 68155), (1505, 58328), (1585, 55384), (1610, 54524), (1720, 51037), (1978, 44380), (2219, 39560), (2408, 36455), (2536, 34615), (3010, 29164), (3170, 27692), (3220, 27262), (3956, 22190), (4438, 19780), (4945, 17752), (6020, 14582), (6340, 13846), (6440, 13631), (6923, 12680), (7291, 12040), (7912, 11095), (8876, 9890)]