278000460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12161}}^1$

素因数の和:12303

約数の個数: 72

約数和(自身を含む): 849977856

約数和(自身を除く): 571977396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 11430, 12161, 22860, 24322, 36483, 48644, 60805, 72966, 109449, 121610, 145932, 182415, 218898, 243220, 364830, 437796, 547245, 729660, 1094490, 1544447, 2188980, 3088894, 4633341, 6177788, 7722235, 9266682, 13900023, 15444470, 18533364, 23166705, 27800046, 30888940, 46333410, 55600092, 69500115, 92666820, 139000230, 278000460]

約数ペア:

[(1, 278000460), (2, 139000230), (3, 92666820), (4, 69500115), (5, 55600092), (6, 46333410), (9, 30888940), (10, 27800046), (12, 23166705), (15, 18533364), (18, 15444470), (20, 13900023), (30, 9266682), (36, 7722235), (45, 6177788), (60, 4633341), (90, 3088894), (127, 2188980), (180, 1544447), (254, 1094490), (381, 729660), (508, 547245), (635, 437796), (762, 364830), (1143, 243220), (1270, 218898), (1524, 182415), (1905, 145932), (2286, 121610), (2540, 109449), (3810, 72966), (4572, 60805), (5715, 48644), (7620, 36483), (11430, 24322), (12161, 22860)]