15720560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 38676096

約数和(自身を除く): 22955536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 47, 74, 80, 94, 113, 148, 185, 188, 226, 235, 296, 370, 376, 452, 470, 565, 592, 740, 752, 904, 940, 1130, 1480, 1739, 1808, 1880, 2260, 2960, 3478, 3760, 4181, 4520, 5311, 6956, 8362, 8695, 9040, 10622, 13912, 16724, 17390, 20905, 21244, 26555, 27824, 33448, 34780, 41810, 42488, 53110, 66896, 69560, 83620, 84976, 106220, 139120, 167240, 196507, 212440, 334480, 393014, 424880, 786028, 982535, 1572056, 1965070, 3144112, 3930140, 7860280, 15720560]

約数ペア:

[(1, 15720560), (2, 7860280), (4, 3930140), (5, 3144112), (8, 1965070), (10, 1572056), (16, 982535), (20, 786028), (37, 424880), (40, 393014), (47, 334480), (74, 212440), (80, 196507), (94, 167240), (113, 139120), (148, 106220), (185, 84976), (188, 83620), (226, 69560), (235, 66896), (296, 53110), (370, 42488), (376, 41810), (452, 34780), (470, 33448), (565, 27824), (592, 26555), (740, 21244), (752, 20905), (904, 17390), (940, 16724), (1130, 13912), (1480, 10622), (1739, 9040), (1808, 8695), (1880, 8362), (2260, 6956), (2960, 5311), (3478, 4520), (3760, 4181)]