77552720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1753}}^1$

素因数の和:1852

約数の個数: 80

約数和(自身を含む): 208796160

約数和(自身を除く): 131243440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 1753, 2212, 2765, 3160, 3506, 4424, 5530, 6320, 7012, 8765, 8848, 11060, 12271, 14024, 17530, 22120, 24542, 28048, 35060, 44240, 49084, 61355, 70120, 98168, 122710, 138487, 140240, 196336, 245420, 276974, 490840, 553948, 692435, 969409, 981680, 1107896, 1384870, 1938818, 2215792, 2769740, 3877636, 4847045, 5539480, 7755272, 9694090, 11078960, 15510544, 19388180, 38776360, 77552720]

約数ペア:

[(1, 77552720), (2, 38776360), (4, 19388180), (5, 15510544), (7, 11078960), (8, 9694090), (10, 7755272), (14, 5539480), (16, 4847045), (20, 3877636), (28, 2769740), (35, 2215792), (40, 1938818), (56, 1384870), (70, 1107896), (79, 981680), (80, 969409), (112, 692435), (140, 553948), (158, 490840), (280, 276974), (316, 245420), (395, 196336), (553, 140240), (560, 138487), (632, 122710), (790, 98168), (1106, 70120), (1264, 61355), (1580, 49084), (1753, 44240), (2212, 35060), (2765, 28048), (3160, 24542), (3506, 22120), (4424, 17530), (5530, 14024), (6320, 12271), (7012, 11060), (8765, 8848)]