156913404680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1789}}^1\times {\mathrm{20117}}^1$

素因数の和:22026

約数の個数: 64

約数和(自身を含む): 356511078000

約数和(自身を除く): 199597673320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1789, 2180, 3578, 4360, 7156, 8945, 14312, 17890, 20117, 35780, 40234, 71560, 80468, 100585, 160936, 195001, 201170, 390002, 402340, 780004, 804680, 975005, 1560008, 1950010, 2192753, 3900020, 4385506, 7800040, 8771012, 10963765, 17542024, 21927530, 35989313, 43855060, 71978626, 87710120, 143957252, 179946565, 287914504, 359893130, 719786260, 1439572520, 3922835117, 7845670234, 15691340468, 19614175585, 31382680936, 39228351170, 78456702340, 156913404680]

約数ペア:

[(1, 156913404680), (2, 78456702340), (4, 39228351170), (5, 31382680936), (8, 19614175585), (10, 15691340468), (20, 7845670234), (40, 3922835117), (109, 1439572520), (218, 719786260), (436, 359893130), (545, 287914504), (872, 179946565), (1090, 143957252), (1789, 87710120), (2180, 71978626), (3578, 43855060), (4360, 35989313), (7156, 21927530), (8945, 17542024), (14312, 10963765), (17890, 8771012), (20117, 7800040), (35780, 4385506), (40234, 3900020), (71560, 2192753), (80468, 1950010), (100585, 1560008), (160936, 975005), (195001, 804680), (201170, 780004), (390002, 402340)]