78662640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{6689}}^1$

素因数の和:6719

約数の個数: 120

約数和(自身を含む): 283709520

約数和(自身を除く): 205046880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 6689, 11760, 13378, 20067, 26756, 33445, 40134, 46823, 53512, 66890, 80268, 93646, 100335, 107024, 133780, 140469, 160536, 187292, 200670, 234115, 267560, 280938, 321072, 327761, 374584, 401340, 468230, 535120, 561876, 655522, 702345, 749168, 802680, 936460, 983283, 1123752, 1311044, 1404690, 1605360, 1638805, 1872920, 1966566, 2247504, 2622088, 2809380, 3277610, 3745840, 3933132, 4916415, 5244176, 5618760, 6555220, 7866264, 9832830, 11237520, 13110440, 15732528, 19665660, 26220880, 39331320, 78662640]

約数ペア:

[(1, 78662640), (2, 39331320), (3, 26220880), (4, 19665660), (5, 15732528), (6, 13110440), (7, 11237520), (8, 9832830), (10, 7866264), (12, 6555220), (14, 5618760), (15, 5244176), (16, 4916415), (20, 3933132), (21, 3745840), (24, 3277610), (28, 2809380), (30, 2622088), (35, 2247504), (40, 1966566), (42, 1872920), (48, 1638805), (49, 1605360), (56, 1404690), (60, 1311044), (70, 1123752), (80, 983283), (84, 936460), (98, 802680), (105, 749168), (112, 702345), (120, 655522), (140, 561876), (147, 535120), (168, 468230), (196, 401340), (210, 374584), (240, 327761), (245, 321072), (280, 280938), (294, 267560), (336, 234115), (392, 200670), (420, 187292), (490, 160536), (560, 140469), (588, 133780), (735, 107024), (784, 100335), (840, 93646), (980, 80268), (1176, 66890), (1470, 53512), (1680, 46823), (1960, 40134), (2352, 33445), (2940, 26756), (3920, 20067), (5880, 13378), (6689, 11760)]