78463280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{839}}^1$

素因数の和:1026

約数の個数: 80

約数和(自身を含む): 209986560

約数和(自身を除く): 131523280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 280, 334, 560, 668, 835, 839, 1169, 1336, 1670, 1678, 2338, 2672, 3340, 3356, 4195, 4676, 5845, 5873, 6680, 6712, 8390, 9352, 11690, 11746, 13360, 13424, 16780, 18704, 23380, 23492, 29365, 33560, 46760, 46984, 58730, 67120, 93520, 93968, 117460, 140113, 234920, 280226, 469840, 560452, 700565, 980791, 1120904, 1401130, 1961582, 2241808, 2802260, 3923164, 4903955, 5604520, 7846328, 9807910, 11209040, 15692656, 19615820, 39231640, 78463280]

約数ペア:

[(1, 78463280), (2, 39231640), (4, 19615820), (5, 15692656), (7, 11209040), (8, 9807910), (10, 7846328), (14, 5604520), (16, 4903955), (20, 3923164), (28, 2802260), (35, 2241808), (40, 1961582), (56, 1401130), (70, 1120904), (80, 980791), (112, 700565), (140, 560452), (167, 469840), (280, 280226), (334, 234920), (560, 140113), (668, 117460), (835, 93968), (839, 93520), (1169, 67120), (1336, 58730), (1670, 46984), (1678, 46760), (2338, 33560), (2672, 29365), (3340, 23492), (3356, 23380), (4195, 18704), (4676, 16780), (5845, 13424), (5873, 13360), (6680, 11746), (6712, 11690), (8390, 9352)]