51560040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61381}}^1$

素因数の和:61402

約数の個数: 64

約数和(自身を含む): 176780160

約数和(自身を除く): 125220120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 61381, 122762, 184143, 245524, 306905, 368286, 429667, 491048, 613810, 736572, 859334, 920715, 1227620, 1289001, 1473144, 1718668, 1841430, 2148335, 2455240, 2578002, 3437336, 3682860, 4296670, 5156004, 6445005, 7365720, 8593340, 10312008, 12890010, 17186680, 25780020, 51560040]

約数ペア:

[(1, 51560040), (2, 25780020), (3, 17186680), (4, 12890010), (5, 10312008), (6, 8593340), (7, 7365720), (8, 6445005), (10, 5156004), (12, 4296670), (14, 3682860), (15, 3437336), (20, 2578002), (21, 2455240), (24, 2148335), (28, 1841430), (30, 1718668), (35, 1473144), (40, 1289001), (42, 1227620), (56, 920715), (60, 859334), (70, 736572), (84, 613810), (105, 491048), (120, 429667), (140, 368286), (168, 306905), (210, 245524), (280, 184143), (420, 122762), (840, 61381)]