30902640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{128761}}^1$

素因数の和:128777

約数の個数: 40

約数和(自身を含む): 95798928

約数和(自身を除く): 64896288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 128761, 257522, 386283, 515044, 643805, 772566, 1030088, 1287610, 1545132, 1931415, 2060176, 2575220, 3090264, 3862830, 5150440, 6180528, 7725660, 10300880, 15451320, 30902640]

約数ペア:

[(1, 30902640), (2, 15451320), (3, 10300880), (4, 7725660), (5, 6180528), (6, 5150440), (8, 3862830), (10, 3090264), (12, 2575220), (15, 2060176), (16, 1931415), (20, 1545132), (24, 1287610), (30, 1030088), (40, 772566), (48, 643805), (60, 515044), (80, 386283), (120, 257522), (240, 128761)]