51851220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 152656896

約数和(自身を除く): 100805676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 61, 62, 93, 122, 124, 155, 183, 186, 244, 305, 310, 366, 372, 457, 465, 610, 620, 732, 914, 915, 930, 1220, 1371, 1828, 1830, 1860, 1891, 2285, 2742, 3660, 3782, 4570, 5484, 5673, 6855, 7564, 9140, 9455, 11346, 13710, 14167, 18910, 22692, 27420, 27877, 28334, 28365, 37820, 42501, 55754, 56668, 56730, 70835, 83631, 85002, 111508, 113460, 139385, 141670, 167262, 170004, 212505, 278770, 283340, 334524, 418155, 425010, 557540, 836310, 850020, 864187, 1672620, 1728374, 2592561, 3456748, 4320935, 5185122, 8641870, 10370244, 12962805, 17283740, 25925610, 51851220]

約数ペア:

[(1, 51851220), (2, 25925610), (3, 17283740), (4, 12962805), (5, 10370244), (6, 8641870), (10, 5185122), (12, 4320935), (15, 3456748), (20, 2592561), (30, 1728374), (31, 1672620), (60, 864187), (61, 850020), (62, 836310), (93, 557540), (122, 425010), (124, 418155), (155, 334524), (183, 283340), (186, 278770), (244, 212505), (305, 170004), (310, 167262), (366, 141670), (372, 139385), (457, 113460), (465, 111508), (610, 85002), (620, 83631), (732, 70835), (914, 56730), (915, 56668), (930, 55754), (1220, 42501), (1371, 37820), (1828, 28365), (1830, 28334), (1860, 27877), (1891, 27420), (2285, 22692), (2742, 18910), (3660, 14167), (3782, 13710), (4570, 11346), (5484, 9455), (5673, 9140), (6855, 7564)]