78939984

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 217039680

約数和(自身を除く): 138099696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 101, 114, 152, 202, 228, 303, 304, 404, 456, 606, 808, 857, 912, 1212, 1616, 1714, 1919, 2424, 2571, 3428, 3838, 4848, 5142, 5757, 6856, 7676, 10284, 11514, 13712, 15352, 16283, 20568, 23028, 30704, 32566, 41136, 46056, 48849, 65132, 86557, 92112, 97698, 130264, 173114, 195396, 259671, 260528, 346228, 390792, 519342, 692456, 781584, 1038684, 1384912, 1644583, 2077368, 3289166, 4154736, 4933749, 6578332, 9867498, 13156664, 19734996, 26313328, 39469992, 78939984]

約数ペア:

[(1, 78939984), (2, 39469992), (3, 26313328), (4, 19734996), (6, 13156664), (8, 9867498), (12, 6578332), (16, 4933749), (19, 4154736), (24, 3289166), (38, 2077368), (48, 1644583), (57, 1384912), (76, 1038684), (101, 781584), (114, 692456), (152, 519342), (202, 390792), (228, 346228), (303, 260528), (304, 259671), (404, 195396), (456, 173114), (606, 130264), (808, 97698), (857, 92112), (912, 86557), (1212, 65132), (1616, 48849), (1714, 46056), (1919, 41136), (2424, 32566), (2571, 30704), (3428, 23028), (3838, 20568), (4848, 16283), (5142, 15352), (5757, 13712), (6856, 11514), (7676, 10284)]