408502680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1051}}^1$

素因数の和:1185

約数の個数: 128

約数和(自身を含む): 1272499200

約数和(自身を除く): 863996520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 79, 82, 120, 123, 158, 164, 205, 237, 246, 316, 328, 395, 410, 474, 492, 615, 632, 790, 820, 948, 984, 1051, 1185, 1230, 1580, 1640, 1896, 2102, 2370, 2460, 3153, 3160, 3239, 4204, 4740, 4920, 5255, 6306, 6478, 8408, 9480, 9717, 10510, 12612, 12956, 15765, 16195, 19434, 21020, 25224, 25912, 31530, 32390, 38868, 42040, 43091, 48585, 63060, 64780, 77736, 83029, 86182, 97170, 126120, 129273, 129560, 166058, 172364, 194340, 215455, 249087, 258546, 332116, 344728, 388680, 415145, 430910, 498174, 517092, 646365, 664232, 830290, 861820, 996348, 1034184, 1245435, 1292730, 1660580, 1723640, 1992696, 2490870, 2585460, 3321160, 3404189, 4981740, 5170920, 6808378, 9963480, 10212567, 13616756, 17020945, 20425134, 27233512, 34041890, 40850268, 51062835, 68083780, 81700536, 102125670, 136167560, 204251340, 408502680]

約数ペア:

[(1, 408502680), (2, 204251340), (3, 136167560), (4, 102125670), (5, 81700536), (6, 68083780), (8, 51062835), (10, 40850268), (12, 34041890), (15, 27233512), (20, 20425134), (24, 17020945), (30, 13616756), (40, 10212567), (41, 9963480), (60, 6808378), (79, 5170920), (82, 4981740), (120, 3404189), (123, 3321160), (158, 2585460), (164, 2490870), (205, 1992696), (237, 1723640), (246, 1660580), (316, 1292730), (328, 1245435), (395, 1034184), (410, 996348), (474, 861820), (492, 830290), (615, 664232), (632, 646365), (790, 517092), (820, 498174), (948, 430910), (984, 415145), (1051, 388680), (1185, 344728), (1230, 332116), (1580, 258546), (1640, 249087), (1896, 215455), (2102, 194340), (2370, 172364), (2460, 166058), (3153, 129560), (3160, 129273), (3239, 126120), (4204, 97170), (4740, 86182), (4920, 83029), (5255, 77736), (6306, 64780), (6478, 63060), (8408, 48585), (9480, 43091), (9717, 42040), (10510, 38868), (12612, 32390), (12956, 31530), (15765, 25912), (16195, 25224), (19434, 21020)]