66520020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:901

約数の個数: 96

約数和(自身を含む): 214050816

約数和(自身を除く): 147530796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 251, 420, 502, 631, 753, 1004, 1255, 1262, 1506, 1757, 1893, 2510, 2524, 3012, 3155, 3514, 3765, 3786, 4417, 5020, 5271, 6310, 7028, 7530, 7572, 8785, 8834, 9465, 10542, 12620, 13251, 15060, 17570, 17668, 18930, 21084, 22085, 26355, 26502, 35140, 37860, 44170, 52710, 53004, 66255, 88340, 105420, 132510, 158381, 265020, 316762, 475143, 633524, 791905, 950286, 1108667, 1583810, 1900572, 2217334, 2375715, 3167620, 3326001, 4434668, 4751430, 5543335, 6652002, 9502860, 11086670, 13304004, 16630005, 22173340, 33260010, 66520020]

約数ペア:

[(1, 66520020), (2, 33260010), (3, 22173340), (4, 16630005), (5, 13304004), (6, 11086670), (7, 9502860), (10, 6652002), (12, 5543335), (14, 4751430), (15, 4434668), (20, 3326001), (21, 3167620), (28, 2375715), (30, 2217334), (35, 1900572), (42, 1583810), (60, 1108667), (70, 950286), (84, 791905), (105, 633524), (140, 475143), (210, 316762), (251, 265020), (420, 158381), (502, 132510), (631, 105420), (753, 88340), (1004, 66255), (1255, 53004), (1262, 52710), (1506, 44170), (1757, 37860), (1893, 35140), (2510, 26502), (2524, 26355), (3012, 22085), (3155, 21084), (3514, 18930), (3765, 17668), (3786, 17570), (4417, 15060), (5020, 13251), (5271, 12620), (6310, 10542), (7028, 9465), (7530, 8834), (7572, 8785)]