1277649080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 3082060800

約数和(自身を除く): 1804411720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 97, 103, 115, 139, 184, 194, 206, 230, 278, 388, 412, 460, 485, 515, 556, 695, 776, 824, 920, 970, 1030, 1112, 1390, 1940, 2060, 2231, 2369, 2780, 3197, 3880, 4120, 4462, 4738, 5560, 6394, 8924, 9476, 9991, 11155, 11845, 12788, 13483, 14317, 15985, 17848, 18952, 19982, 22310, 23690, 25576, 26966, 28634, 31970, 39964, 44620, 47380, 49955, 53932, 57268, 63940, 67415, 71585, 79928, 89240, 94760, 99910, 107864, 114536, 127880, 134830, 143170, 199820, 229793, 269660, 286340, 310109, 329291, 399640, 459586, 539320, 572680, 620218, 658582, 919172, 1148965, 1240436, 1317164, 1388749, 1550545, 1646455, 1838344, 2297930, 2480872, 2634328, 2777498, 3101090, 3292910, 4595860, 5554996, 6202180, 6585820, 6943745, 9191720, 11109992, 12404360, 13171640, 13887490, 27774980, 31941227, 55549960, 63882454, 127764908, 159706135, 255529816, 319412270, 638824540, 1277649080]

約数ペア:

[(1, 1277649080), (2, 638824540), (4, 319412270), (5, 255529816), (8, 159706135), (10, 127764908), (20, 63882454), (23, 55549960), (40, 31941227), (46, 27774980), (92, 13887490), (97, 13171640), (103, 12404360), (115, 11109992), (139, 9191720), (184, 6943745), (194, 6585820), (206, 6202180), (230, 5554996), (278, 4595860), (388, 3292910), (412, 3101090), (460, 2777498), (485, 2634328), (515, 2480872), (556, 2297930), (695, 1838344), (776, 1646455), (824, 1550545), (920, 1388749), (970, 1317164), (1030, 1240436), (1112, 1148965), (1390, 919172), (1940, 658582), (2060, 620218), (2231, 572680), (2369, 539320), (2780, 459586), (3197, 399640), (3880, 329291), (4120, 310109), (4462, 286340), (4738, 269660), (5560, 229793), (6394, 199820), (8924, 143170), (9476, 134830), (9991, 127880), (11155, 114536), (11845, 107864), (12788, 99910), (13483, 94760), (14317, 89240), (15985, 79928), (17848, 71585), (18952, 67415), (19982, 63940), (22310, 57268), (23690, 53932), (25576, 49955), (26966, 47380), (28634, 44620), (31970, 39964)]