154657760

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31181}}^1$

素因数の和:31227

約数の個数: 48

約数和(自身を含む): 377177472

約数和(自身を除く): 222519712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 31181, 62362, 124724, 155905, 249448, 311810, 498896, 623620, 966611, 997792, 1247240, 1933222, 2494480, 3866444, 4833055, 4988960, 7732888, 9666110, 15465776, 19332220, 30931552, 38664440, 77328880, 154657760]

約数ペア:

[(1, 154657760), (2, 77328880), (4, 38664440), (5, 30931552), (8, 19332220), (10, 15465776), (16, 9666110), (20, 7732888), (31, 4988960), (32, 4833055), (40, 3866444), (62, 2494480), (80, 1933222), (124, 1247240), (155, 997792), (160, 966611), (248, 623620), (310, 498896), (496, 311810), (620, 249448), (992, 155905), (1240, 124724), (2480, 62362), (4960, 31181)]