30814840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{659}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 79833600

約数和(自身を除く): 49018760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 659, 668, 835, 1169, 1318, 1336, 1670, 2338, 2636, 3295, 3340, 4613, 4676, 5272, 5845, 6590, 6680, 9226, 9352, 11690, 13180, 18452, 23065, 23380, 26360, 36904, 46130, 46760, 92260, 110053, 184520, 220106, 440212, 550265, 770371, 880424, 1100530, 1540742, 2201060, 3081484, 3851855, 4402120, 6162968, 7703710, 15407420, 30814840]

約数ペア:

[(1, 30814840), (2, 15407420), (4, 7703710), (5, 6162968), (7, 4402120), (8, 3851855), (10, 3081484), (14, 2201060), (20, 1540742), (28, 1100530), (35, 880424), (40, 770371), (56, 550265), (70, 440212), (140, 220106), (167, 184520), (280, 110053), (334, 92260), (659, 46760), (668, 46130), (835, 36904), (1169, 26360), (1318, 23380), (1336, 23065), (1670, 18452), (2338, 13180), (2636, 11690), (3295, 9352), (3340, 9226), (4613, 6680), (4676, 6590), (5272, 5845)]