78613640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2155

約数の個数: 96

約数和(自身を含む): 216691200

約数和(自身を除く): 138077560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 931, 980, 1064, 1330, 1862, 1960, 2111, 2660, 3724, 4222, 4655, 5320, 7448, 8444, 9310, 10555, 14777, 16888, 18620, 21110, 29554, 37240, 40109, 42220, 59108, 73885, 80218, 84440, 103439, 118216, 147770, 160436, 200545, 206878, 280763, 295540, 320872, 401090, 413756, 517195, 561526, 591080, 802180, 827512, 1034390, 1123052, 1403815, 1604360, 1965341, 2068780, 2246104, 2807630, 3930682, 4137560, 5615260, 7861364, 9826705, 11230520, 15722728, 19653410, 39306820, 78613640]

約数ペア:

[(1, 78613640), (2, 39306820), (4, 19653410), (5, 15722728), (7, 11230520), (8, 9826705), (10, 7861364), (14, 5615260), (19, 4137560), (20, 3930682), (28, 2807630), (35, 2246104), (38, 2068780), (40, 1965341), (49, 1604360), (56, 1403815), (70, 1123052), (76, 1034390), (95, 827512), (98, 802180), (133, 591080), (140, 561526), (152, 517195), (190, 413756), (196, 401090), (245, 320872), (266, 295540), (280, 280763), (380, 206878), (392, 200545), (490, 160436), (532, 147770), (665, 118216), (760, 103439), (931, 84440), (980, 80218), (1064, 73885), (1330, 59108), (1862, 42220), (1960, 40109), (2111, 37240), (2660, 29554), (3724, 21110), (4222, 18620), (4655, 16888), (5320, 14777), (7448, 10555), (8444, 9310)]