18820680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 58501440

約数和(自身を除く): 39680760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 71, 94, 120, 141, 142, 188, 213, 235, 282, 284, 355, 376, 426, 470, 564, 568, 705, 710, 852, 940, 1065, 1128, 1410, 1420, 1704, 1880, 2130, 2209, 2820, 2840, 3337, 4260, 4418, 5640, 6627, 6674, 8520, 8836, 10011, 11045, 13254, 13348, 16685, 17672, 20022, 22090, 26508, 26696, 33135, 33370, 40044, 44180, 50055, 53016, 66270, 66740, 80088, 88360, 100110, 132540, 133480, 156839, 200220, 265080, 313678, 400440, 470517, 627356, 784195, 941034, 1254712, 1568390, 1882068, 2352585, 3136780, 3764136, 4705170, 6273560, 9410340, 18820680]

約数ペア:

[(1, 18820680), (2, 9410340), (3, 6273560), (4, 4705170), (5, 3764136), (6, 3136780), (8, 2352585), (10, 1882068), (12, 1568390), (15, 1254712), (20, 941034), (24, 784195), (30, 627356), (40, 470517), (47, 400440), (60, 313678), (71, 265080), (94, 200220), (120, 156839), (141, 133480), (142, 132540), (188, 100110), (213, 88360), (235, 80088), (282, 66740), (284, 66270), (355, 53016), (376, 50055), (426, 44180), (470, 40044), (564, 33370), (568, 33135), (705, 26696), (710, 26508), (852, 22090), (940, 20022), (1065, 17672), (1128, 16685), (1410, 13348), (1420, 13254), (1704, 11045), (1880, 10011), (2130, 8836), (2209, 8520), (2820, 6674), (2840, 6627), (3337, 5640), (4260, 4418)]