64894140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1283}}^1$

素因数の和:1579

約数の個数: 72

約数和(自身を含む): 197700048

約数和(自身を除く): 132805908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 1124, 1283, 1405, 1686, 2529, 2566, 2810, 3372, 3849, 4215, 5058, 5132, 5620, 6415, 7698, 8430, 10116, 11547, 12645, 12830, 15396, 16860, 19245, 23094, 25290, 25660, 38490, 46188, 50580, 57735, 76980, 115470, 230940, 360523, 721046, 1081569, 1442092, 1802615, 2163138, 3244707, 3605230, 4326276, 5407845, 6489414, 7210460, 10815690, 12978828, 16223535, 21631380, 32447070, 64894140]

約数ペア:

[(1, 64894140), (2, 32447070), (3, 21631380), (4, 16223535), (5, 12978828), (6, 10815690), (9, 7210460), (10, 6489414), (12, 5407845), (15, 4326276), (18, 3605230), (20, 3244707), (30, 2163138), (36, 1802615), (45, 1442092), (60, 1081569), (90, 721046), (180, 360523), (281, 230940), (562, 115470), (843, 76980), (1124, 57735), (1283, 50580), (1405, 46188), (1686, 38490), (2529, 25660), (2566, 25290), (2810, 23094), (3372, 19245), (3849, 16860), (4215, 15396), (5058, 12830), (5132, 12645), (5620, 11547), (6415, 10116), (7698, 8430)]