72800980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{983}}^1$

素因数の和:1045

約数の個数: 72

約数和(自身を含む): 182835072

約数和(自身を除く): 110034092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 529, 644, 805, 983, 1058, 1610, 1966, 2116, 2645, 3220, 3703, 3932, 4915, 5290, 6881, 7406, 9830, 10580, 13762, 14812, 18515, 19660, 22609, 27524, 34405, 37030, 45218, 68810, 74060, 90436, 113045, 137620, 158263, 226090, 316526, 452180, 520007, 633052, 791315, 1040014, 1582630, 2080028, 2600035, 3165260, 3640049, 5200070, 7280098, 10400140, 14560196, 18200245, 36400490, 72800980]

約数ペア:

[(1, 72800980), (2, 36400490), (4, 18200245), (5, 14560196), (7, 10400140), (10, 7280098), (14, 5200070), (20, 3640049), (23, 3165260), (28, 2600035), (35, 2080028), (46, 1582630), (70, 1040014), (92, 791315), (115, 633052), (140, 520007), (161, 452180), (230, 316526), (322, 226090), (460, 158263), (529, 137620), (644, 113045), (805, 90436), (983, 74060), (1058, 68810), (1610, 45218), (1966, 37030), (2116, 34405), (2645, 27524), (3220, 22609), (3703, 19660), (3932, 18515), (4915, 14812), (5290, 13762), (6881, 10580), (7406, 9830)]