12908040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 38966400

約数和(自身を除く): 26058360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 409, 526, 789, 818, 1052, 1227, 1315, 1578, 1636, 2045, 2104, 2454, 2630, 3156, 3272, 3945, 4090, 4908, 5260, 6135, 6312, 7890, 8180, 9816, 10520, 12270, 15780, 16360, 24540, 31560, 49080, 107567, 215134, 322701, 430268, 537835, 645402, 860536, 1075670, 1290804, 1613505, 2151340, 2581608, 3227010, 4302680, 6454020, 12908040]

約数ペア:

[(1, 12908040), (2, 6454020), (3, 4302680), (4, 3227010), (5, 2581608), (6, 2151340), (8, 1613505), (10, 1290804), (12, 1075670), (15, 860536), (20, 645402), (24, 537835), (30, 430268), (40, 322701), (60, 215134), (120, 107567), (263, 49080), (409, 31560), (526, 24540), (789, 16360), (818, 15780), (1052, 12270), (1227, 10520), (1315, 9816), (1578, 8180), (1636, 7890), (2045, 6312), (2104, 6135), (2454, 5260), (2630, 4908), (3156, 4090), (3272, 3945)]