77643495280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{77687}}^1$

素因数の和:77775

約数の個数: 120

約数和(自身を含む): 200883455136

約数和(自身を除く): 123239959856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 961, 1040, 1240, 1612, 1922, 2015, 2480, 3224, 3844, 4030, 4805, 6448, 7688, 8060, 9610, 12493, 15376, 16120, 19220, 24986, 32240, 38440, 49972, 62465, 76880, 77687, 99944, 124930, 155374, 199888, 249860, 310748, 388435, 499720, 621496, 776870, 999440, 1009931, 1242992, 1553740, 2019862, 2408297, 3107480, 4039724, 4816594, 5049655, 6214960, 8079448, 9633188, 10099310, 12041485, 16158896, 19266376, 20198620, 24082970, 31307861, 38532752, 40397240, 48165940, 62615722, 74657207, 80794480, 96331880, 125231444, 149314414, 156539305, 192663760, 250462888, 298628828, 313078610, 373286035, 500925776, 597257656, 626157220, 746572070, 970543691, 1194515312, 1252314440, 1493144140, 1941087382, 2504628880, 2986288280, 3882174764, 4852718455, 5972576560, 7764349528, 9705436910, 15528699056, 19410873820, 38821747640, 77643495280]

約数ペア:

[(1, 77643495280), (2, 38821747640), (4, 19410873820), (5, 15528699056), (8, 9705436910), (10, 7764349528), (13, 5972576560), (16, 4852718455), (20, 3882174764), (26, 2986288280), (31, 2504628880), (40, 1941087382), (52, 1493144140), (62, 1252314440), (65, 1194515312), (80, 970543691), (104, 746572070), (124, 626157220), (130, 597257656), (155, 500925776), (208, 373286035), (248, 313078610), (260, 298628828), (310, 250462888), (403, 192663760), (496, 156539305), (520, 149314414), (620, 125231444), (806, 96331880), (961, 80794480), (1040, 74657207), (1240, 62615722), (1612, 48165940), (1922, 40397240), (2015, 38532752), (2480, 31307861), (3224, 24082970), (3844, 20198620), (4030, 19266376), (4805, 16158896), (6448, 12041485), (7688, 10099310), (8060, 9633188), (9610, 8079448), (12493, 6214960), (15376, 5049655), (16120, 4816594), (19220, 4039724), (24986, 3107480), (32240, 2408297), (38440, 2019862), (49972, 1553740), (62465, 1242992), (76880, 1009931), (77687, 999440), (99944, 776870), (124930, 621496), (155374, 499720), (199888, 388435), (249860, 310748)]