78849680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10831}}^1$

素因数の和:10864

約数の個数: 80

約数和(自身を含む): 225652224

約数和(自身を除く): 146802544

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 10831, 21662, 43324, 54155, 75817, 86648, 108310, 140803, 151634, 173296, 216620, 281606, 303268, 379085, 433240, 563212, 606536, 704015, 758170, 866480, 985621, 1126424, 1213072, 1408030, 1516340, 1971242, 2252848, 2816060, 3032680, 3942484, 4928105, 5632120, 6065360, 7884968, 9856210, 11264240, 15769936, 19712420, 39424840, 78849680]

約数ペア:

[(1, 78849680), (2, 39424840), (4, 19712420), (5, 15769936), (7, 11264240), (8, 9856210), (10, 7884968), (13, 6065360), (14, 5632120), (16, 4928105), (20, 3942484), (26, 3032680), (28, 2816060), (35, 2252848), (40, 1971242), (52, 1516340), (56, 1408030), (65, 1213072), (70, 1126424), (80, 985621), (91, 866480), (104, 758170), (112, 704015), (130, 606536), (140, 563212), (182, 433240), (208, 379085), (260, 303268), (280, 281606), (364, 216620), (455, 173296), (520, 151634), (560, 140803), (728, 108310), (910, 86648), (1040, 75817), (1456, 54155), (1820, 43324), (3640, 21662), (7280, 10831)]