81621150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2203}}^1$

素因数の和:2250

約数の個数: 96

約数和(自身を含む): 229568640

約数和(自身を除く): 147947490

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 38, 39, 50, 57, 65, 75, 78, 95, 114, 130, 150, 190, 195, 247, 285, 325, 390, 475, 494, 570, 650, 741, 950, 975, 1235, 1425, 1482, 1950, 2203, 2470, 2850, 3705, 4406, 6175, 6609, 7410, 11015, 12350, 13218, 18525, 22030, 28639, 33045, 37050, 41857, 55075, 57278, 66090, 83714, 85917, 110150, 125571, 143195, 165225, 171834, 209285, 251142, 286390, 330450, 418570, 429585, 544141, 627855, 715975, 859170, 1046425, 1088282, 1255710, 1431950, 1632423, 2092850, 2147925, 2720705, 3139275, 3264846, 4295850, 5441410, 6278550, 8162115, 13603525, 16324230, 27207050, 40810575, 81621150]

約数ペア:

[(1, 81621150), (2, 40810575), (3, 27207050), (5, 16324230), (6, 13603525), (10, 8162115), (13, 6278550), (15, 5441410), (19, 4295850), (25, 3264846), (26, 3139275), (30, 2720705), (38, 2147925), (39, 2092850), (50, 1632423), (57, 1431950), (65, 1255710), (75, 1088282), (78, 1046425), (95, 859170), (114, 715975), (130, 627855), (150, 544141), (190, 429585), (195, 418570), (247, 330450), (285, 286390), (325, 251142), (390, 209285), (475, 171834), (494, 165225), (570, 143195), (650, 125571), (741, 110150), (950, 85917), (975, 83714), (1235, 66090), (1425, 57278), (1482, 55075), (1950, 41857), (2203, 37050), (2470, 33045), (2850, 28639), (3705, 22030), (4406, 18525), (6175, 13218), (6609, 12350), (7410, 11015)]