1636804980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{39709}}^1$

素因数の和:39953

約数の個数: 72

約数和(自身を含む): 4986781800

約数和(自身を除く): 3349976820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2290, 2748, 3435, 4122, 4580, 6870, 8244, 10305, 13740, 20610, 39709, 41220, 79418, 119127, 158836, 198545, 238254, 357381, 397090, 476508, 595635, 714762, 794180, 1191270, 1429524, 1786905, 2382540, 3573810, 7147620, 9093361, 18186722, 27280083, 36373444, 45466805, 54560166, 81840249, 90933610, 109120332, 136400415, 163680498, 181867220, 272800830, 327360996, 409201245, 545601660, 818402490, 1636804980]

約数ペア:

[(1, 1636804980), (2, 818402490), (3, 545601660), (4, 409201245), (5, 327360996), (6, 272800830), (9, 181867220), (10, 163680498), (12, 136400415), (15, 109120332), (18, 90933610), (20, 81840249), (30, 54560166), (36, 45466805), (45, 36373444), (60, 27280083), (90, 18186722), (180, 9093361), (229, 7147620), (458, 3573810), (687, 2382540), (916, 1786905), (1145, 1429524), (1374, 1191270), (2061, 794180), (2290, 714762), (2748, 595635), (3435, 476508), (4122, 397090), (4580, 357381), (6870, 238254), (8244, 198545), (10305, 158836), (13740, 119127), (20610, 79418), (39709, 41220)]