78907640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 208811520

約数和(自身を除く): 129903880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 127, 140, 196, 245, 254, 280, 317, 392, 490, 508, 634, 635, 889, 980, 1016, 1268, 1270, 1585, 1778, 1960, 2219, 2536, 2540, 3170, 3556, 4438, 4445, 5080, 6223, 6340, 7112, 8876, 8890, 11095, 12446, 12680, 15533, 17752, 17780, 22190, 24892, 31066, 31115, 35560, 40259, 44380, 49784, 62132, 62230, 77665, 80518, 88760, 124264, 124460, 155330, 161036, 201295, 248920, 281813, 310660, 322072, 402590, 563626, 621320, 805180, 1127252, 1409065, 1610360, 1972691, 2254504, 2818130, 3945382, 5636260, 7890764, 9863455, 11272520, 15781528, 19726910, 39453820, 78907640]

約数ペア:

[(1, 78907640), (2, 39453820), (4, 19726910), (5, 15781528), (7, 11272520), (8, 9863455), (10, 7890764), (14, 5636260), (20, 3945382), (28, 2818130), (35, 2254504), (40, 1972691), (49, 1610360), (56, 1409065), (70, 1127252), (98, 805180), (127, 621320), (140, 563626), (196, 402590), (245, 322072), (254, 310660), (280, 281813), (317, 248920), (392, 201295), (490, 161036), (508, 155330), (634, 124460), (635, 124264), (889, 88760), (980, 80518), (1016, 77665), (1268, 62230), (1270, 62132), (1585, 49784), (1778, 44380), (1960, 40259), (2219, 35560), (2536, 31115), (2540, 31066), (3170, 24892), (3556, 22190), (4438, 17780), (4445, 17752), (5080, 15533), (6223, 12680), (6340, 12446), (7112, 11095), (8876, 8890)]