30122460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2357}}^1$

素因数の和:2443

約数の個数: 72

約数和(自身を含む): 92697696

約数和(自身を除く): 62575236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2357, 2556, 3195, 4260, 4714, 6390, 7071, 9428, 11785, 12780, 14142, 21213, 23570, 28284, 35355, 42426, 47140, 70710, 84852, 106065, 141420, 167347, 212130, 334694, 424260, 502041, 669388, 836735, 1004082, 1506123, 1673470, 2008164, 2510205, 3012246, 3346940, 5020410, 6024492, 7530615, 10040820, 15061230, 30122460]

約数ペア:

[(1, 30122460), (2, 15061230), (3, 10040820), (4, 7530615), (5, 6024492), (6, 5020410), (9, 3346940), (10, 3012246), (12, 2510205), (15, 2008164), (18, 1673470), (20, 1506123), (30, 1004082), (36, 836735), (45, 669388), (60, 502041), (71, 424260), (90, 334694), (142, 212130), (180, 167347), (213, 141420), (284, 106065), (355, 84852), (426, 70710), (639, 47140), (710, 42426), (852, 35355), (1065, 28284), (1278, 23570), (1420, 21213), (2130, 14142), (2357, 12780), (2556, 11785), (3195, 9428), (4260, 7071), (4714, 6390)]