640163088

素因数分解:

$2^4\times 3^5\times {\mathrm{229}}^1\times {\mathrm{719}}^1$

素因数の和:971

約数の個数: 120

約数和(自身を含む): 1868630400

約数和(自身を除く): 1228467312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 229, 243, 324, 432, 458, 486, 648, 687, 719, 916, 972, 1296, 1374, 1438, 1832, 1944, 2061, 2157, 2748, 2876, 3664, 3888, 4122, 4314, 5496, 5752, 6183, 6471, 8244, 8628, 10992, 11504, 12366, 12942, 16488, 17256, 18549, 19413, 24732, 25884, 32976, 34512, 37098, 38826, 49464, 51768, 55647, 58239, 74196, 77652, 98928, 103536, 111294, 116478, 148392, 155304, 164651, 174717, 222588, 232956, 296784, 310608, 329302, 349434, 445176, 465912, 493953, 658604, 698868, 890352, 931824, 987906, 1317208, 1397736, 1481859, 1975812, 2634416, 2795472, 2963718, 3951624, 4445577, 5927436, 7903248, 8891154, 11854872, 13336731, 17782308, 23709744, 26673462, 35564616, 40010193, 53346924, 71129232, 80020386, 106693848, 160040772, 213387696, 320081544, 640163088]

約数ペア:

[(1, 640163088), (2, 320081544), (3, 213387696), (4, 160040772), (6, 106693848), (8, 80020386), (9, 71129232), (12, 53346924), (16, 40010193), (18, 35564616), (24, 26673462), (27, 23709744), (36, 17782308), (48, 13336731), (54, 11854872), (72, 8891154), (81, 7903248), (108, 5927436), (144, 4445577), (162, 3951624), (216, 2963718), (229, 2795472), (243, 2634416), (324, 1975812), (432, 1481859), (458, 1397736), (486, 1317208), (648, 987906), (687, 931824), (719, 890352), (916, 698868), (972, 658604), (1296, 493953), (1374, 465912), (1438, 445176), (1832, 349434), (1944, 329302), (2061, 310608), (2157, 296784), (2748, 232956), (2876, 222588), (3664, 174717), (3888, 164651), (4122, 155304), (4314, 148392), (5496, 116478), (5752, 111294), (6183, 103536), (6471, 98928), (8244, 77652), (8628, 74196), (10992, 58239), (11504, 55647), (12366, 51768), (12942, 49464), (16488, 38826), (17256, 37098), (18549, 34512), (19413, 32976), (24732, 25884)]