723407640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:713

約数の個数: 128

約数和(自身を含む): 2217093120

約数和(自身を除く): 1493685480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 197, 213, 284, 355, 394, 426, 431, 568, 591, 710, 788, 852, 862, 985, 1065, 1182, 1293, 1420, 1576, 1704, 1724, 1970, 2130, 2155, 2364, 2586, 2840, 2955, 3448, 3940, 4260, 4310, 4728, 5172, 5910, 6465, 7880, 8520, 8620, 10344, 11820, 12930, 13987, 17240, 23640, 25860, 27974, 30601, 41961, 51720, 55948, 61202, 69935, 83922, 84907, 91803, 111896, 122404, 139870, 153005, 167844, 169814, 183606, 209805, 244808, 254721, 279740, 306010, 335688, 339628, 367212, 419610, 424535, 459015, 509442, 559480, 612020, 679256, 734424, 839220, 849070, 918030, 1018884, 1224040, 1273605, 1678440, 1698140, 1836060, 2037768, 2547210, 3396280, 3672120, 5094420, 6028397, 10188840, 12056794, 18085191, 24113588, 30141985, 36170382, 48227176, 60283970, 72340764, 90425955, 120567940, 144681528, 180851910, 241135880, 361703820, 723407640]

約数ペア:

[(1, 723407640), (2, 361703820), (3, 241135880), (4, 180851910), (5, 144681528), (6, 120567940), (8, 90425955), (10, 72340764), (12, 60283970), (15, 48227176), (20, 36170382), (24, 30141985), (30, 24113588), (40, 18085191), (60, 12056794), (71, 10188840), (120, 6028397), (142, 5094420), (197, 3672120), (213, 3396280), (284, 2547210), (355, 2037768), (394, 1836060), (426, 1698140), (431, 1678440), (568, 1273605), (591, 1224040), (710, 1018884), (788, 918030), (852, 849070), (862, 839220), (985, 734424), (1065, 679256), (1182, 612020), (1293, 559480), (1420, 509442), (1576, 459015), (1704, 424535), (1724, 419610), (1970, 367212), (2130, 339628), (2155, 335688), (2364, 306010), (2586, 279740), (2840, 254721), (2955, 244808), (3448, 209805), (3940, 183606), (4260, 169814), (4310, 167844), (4728, 153005), (5172, 139870), (5910, 122404), (6465, 111896), (7880, 91803), (8520, 84907), (8620, 83922), (10344, 69935), (11820, 61202), (12930, 55948), (13987, 51720), (17240, 41961), (23640, 30601), (25860, 27974)]