40587960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 140428800

約数和(自身を除く): 99840840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 211, 229, 280, 420, 422, 458, 633, 687, 840, 844, 916, 1055, 1145, 1266, 1374, 1477, 1603, 1688, 1832, 2110, 2290, 2532, 2748, 2954, 3165, 3206, 3435, 4220, 4431, 4580, 4809, 5064, 5496, 5908, 6330, 6412, 6870, 7385, 8015, 8440, 8862, 9160, 9618, 11816, 12660, 12824, 13740, 14770, 16030, 17724, 19236, 22155, 24045, 25320, 27480, 29540, 32060, 35448, 38472, 44310, 48090, 48319, 59080, 64120, 88620, 96180, 96638, 144957, 177240, 192360, 193276, 241595, 289914, 338233, 386552, 483190, 579828, 676466, 724785, 966380, 1014699, 1159656, 1352932, 1449570, 1691165, 1932760, 2029398, 2705864, 2899140, 3382330, 4058796, 5073495, 5798280, 6764660, 8117592, 10146990, 13529320, 20293980, 40587960]

約数ペア:

[(1, 40587960), (2, 20293980), (3, 13529320), (4, 10146990), (5, 8117592), (6, 6764660), (7, 5798280), (8, 5073495), (10, 4058796), (12, 3382330), (14, 2899140), (15, 2705864), (20, 2029398), (21, 1932760), (24, 1691165), (28, 1449570), (30, 1352932), (35, 1159656), (40, 1014699), (42, 966380), (56, 724785), (60, 676466), (70, 579828), (84, 483190), (105, 386552), (120, 338233), (140, 289914), (168, 241595), (210, 193276), (211, 192360), (229, 177240), (280, 144957), (420, 96638), (422, 96180), (458, 88620), (633, 64120), (687, 59080), (840, 48319), (844, 48090), (916, 44310), (1055, 38472), (1145, 35448), (1266, 32060), (1374, 29540), (1477, 27480), (1603, 25320), (1688, 24045), (1832, 22155), (2110, 19236), (2290, 17724), (2532, 16030), (2748, 14770), (2954, 13740), (3165, 12824), (3206, 12660), (3435, 11816), (4220, 9618), (4431, 9160), (4580, 8862), (4809, 8440), (5064, 8015), (5496, 7385), (5908, 6870), (6330, 6412)]