61376420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 157248000

約数和(自身を除く): 95871580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 343, 389, 460, 490, 644, 686, 778, 805, 980, 1127, 1372, 1556, 1610, 1715, 1945, 2254, 2723, 3220, 3430, 3890, 4508, 5446, 5635, 6860, 7780, 7889, 8947, 10892, 11270, 13615, 15778, 17894, 19061, 22540, 27230, 31556, 35788, 38122, 39445, 44735, 54460, 62629, 76244, 78890, 89470, 95305, 125258, 133427, 157780, 178940, 190610, 250516, 266854, 313145, 381220, 438403, 533708, 626290, 667135, 876806, 1252580, 1334270, 1753612, 2192015, 2668540, 3068821, 4384030, 6137642, 8768060, 12275284, 15344105, 30688210, 61376420]

約数ペア:

[(1, 61376420), (2, 30688210), (4, 15344105), (5, 12275284), (7, 8768060), (10, 6137642), (14, 4384030), (20, 3068821), (23, 2668540), (28, 2192015), (35, 1753612), (46, 1334270), (49, 1252580), (70, 876806), (92, 667135), (98, 626290), (115, 533708), (140, 438403), (161, 381220), (196, 313145), (230, 266854), (245, 250516), (322, 190610), (343, 178940), (389, 157780), (460, 133427), (490, 125258), (644, 95305), (686, 89470), (778, 78890), (805, 76244), (980, 62629), (1127, 54460), (1372, 44735), (1556, 39445), (1610, 38122), (1715, 35788), (1945, 31556), (2254, 27230), (2723, 22540), (3220, 19061), (3430, 17894), (3890, 15778), (4508, 13615), (5446, 11270), (5635, 10892), (6860, 8947), (7780, 7889)]