1274940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{787}}^1$

素因数の和:808

約数の個数: 60

約数和(自身を含む): 4004616

約数和(自身を除く): 2729676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 787, 810, 1574, 1620, 2361, 3148, 3935, 4722, 7083, 7870, 9444, 11805, 14166, 15740, 21249, 23610, 28332, 35415, 42498, 47220, 63747, 70830, 84996, 106245, 127494, 141660, 212490, 254988, 318735, 424980, 637470, 1274940]

約数ペア:

[(1, 1274940), (2, 637470), (3, 424980), (4, 318735), (5, 254988), (6, 212490), (9, 141660), (10, 127494), (12, 106245), (15, 84996), (18, 70830), (20, 63747), (27, 47220), (30, 42498), (36, 35415), (45, 28332), (54, 23610), (60, 21249), (81, 15740), (90, 14166), (108, 11805), (135, 9444), (162, 7870), (180, 7083), (270, 4722), (324, 3935), (405, 3148), (540, 2361), (787, 1620), (810, 1574)]