80909120

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:280

約数の個数: 112

約数和(自身を含む): 207385920

約数和(自身を除く): 126476800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 107, 136, 139, 160, 170, 214, 272, 278, 320, 340, 428, 535, 544, 556, 680, 695, 856, 1070, 1088, 1112, 1360, 1390, 1712, 1819, 2140, 2224, 2363, 2720, 2780, 3424, 3638, 4280, 4448, 4726, 5440, 5560, 6848, 7276, 8560, 8896, 9095, 9452, 11120, 11815, 14552, 14873, 17120, 18190, 18904, 22240, 23630, 29104, 29746, 34240, 36380, 37808, 44480, 47260, 58208, 59492, 72760, 74365, 75616, 94520, 116416, 118984, 145520, 148730, 151232, 189040, 237968, 252841, 291040, 297460, 378080, 475936, 505682, 582080, 594920, 756160, 951872, 1011364, 1189840, 1264205, 2022728, 2379680, 2528410, 4045456, 4759360, 5056820, 8090912, 10113640, 16181824, 20227280, 40454560, 80909120]

約数ペア:

[(1, 80909120), (2, 40454560), (4, 20227280), (5, 16181824), (8, 10113640), (10, 8090912), (16, 5056820), (17, 4759360), (20, 4045456), (32, 2528410), (34, 2379680), (40, 2022728), (64, 1264205), (68, 1189840), (80, 1011364), (85, 951872), (107, 756160), (136, 594920), (139, 582080), (160, 505682), (170, 475936), (214, 378080), (272, 297460), (278, 291040), (320, 252841), (340, 237968), (428, 189040), (535, 151232), (544, 148730), (556, 145520), (680, 118984), (695, 116416), (856, 94520), (1070, 75616), (1088, 74365), (1112, 72760), (1360, 59492), (1390, 58208), (1712, 47260), (1819, 44480), (2140, 37808), (2224, 36380), (2363, 34240), (2720, 29746), (2780, 29104), (3424, 23630), (3638, 22240), (4280, 18904), (4448, 18190), (4726, 17120), (5440, 14873), (5560, 14552), (6848, 11815), (7276, 11120), (8560, 9452), (8896, 9095)]