30680560

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6287}}^1$

素因数の和:6361

約数の個数: 40

約数和(自身を含む): 72513216

約数和(自身を除く): 41832656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 6287, 12574, 25148, 31435, 50296, 62870, 100592, 125740, 251480, 383507, 502960, 767014, 1534028, 1917535, 3068056, 3835070, 6136112, 7670140, 15340280, 30680560]

約数ペア:

[(1, 30680560), (2, 15340280), (4, 7670140), (5, 6136112), (8, 3835070), (10, 3068056), (16, 1917535), (20, 1534028), (40, 767014), (61, 502960), (80, 383507), (122, 251480), (244, 125740), (305, 100592), (488, 62870), (610, 50296), (976, 31435), (1220, 25148), (2440, 12574), (4880, 6287)]