57898980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{321661}}^1$

素因数の和:321676

約数の個数: 36

約数和(自身を含む): 175627452

約数和(自身を除く): 117728472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 321661, 643322, 964983, 1286644, 1608305, 1929966, 2894949, 3216610, 3859932, 4824915, 5789898, 6433220, 9649830, 11579796, 14474745, 19299660, 28949490, 57898980]

約数ペア:

[(1, 57898980), (2, 28949490), (3, 19299660), (4, 14474745), (5, 11579796), (6, 9649830), (9, 6433220), (10, 5789898), (12, 4824915), (15, 3859932), (18, 3216610), (20, 2894949), (30, 1929966), (36, 1608305), (45, 1286644), (60, 964983), (90, 643322), (180, 321661)]