251154720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{174413}}^1$

素因数の和:174434

約数の個数: 72

約数和(自身を含む): 857070396

約数和(自身を除く): 605915676

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 174413, 348826, 523239, 697652, 872065, 1046478, 1395304, 1569717, 1744130, 2092956, 2616195, 2790608, 3139434, 3488260, 4185912, 5232390, 5581216, 6278868, 6976520, 7848585, 8371824, 10464780, 12557736, 13953040, 15697170, 16743648, 20929560, 25115472, 27906080, 31394340, 41859120, 50230944, 62788680, 83718240, 125577360, 251154720]

約数ペア:

[(1, 251154720), (2, 125577360), (3, 83718240), (4, 62788680), (5, 50230944), (6, 41859120), (8, 31394340), (9, 27906080), (10, 25115472), (12, 20929560), (15, 16743648), (16, 15697170), (18, 13953040), (20, 12557736), (24, 10464780), (30, 8371824), (32, 7848585), (36, 6976520), (40, 6278868), (45, 5581216), (48, 5232390), (60, 4185912), (72, 3488260), (80, 3139434), (90, 2790608), (96, 2616195), (120, 2092956), (144, 1744130), (160, 1569717), (180, 1395304), (240, 1046478), (288, 872065), (360, 697652), (480, 523239), (720, 348826), (1440, 174413)]