18320880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3319}}^1$

素因数の和:3358

約数の個数: 80

約数和(自身を含む): 59281920

約数和(自身を除く): 40961040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3319, 5520, 6638, 9957, 13276, 16595, 19914, 26552, 33190, 39828, 49785, 53104, 66380, 76337, 79656, 99570, 132760, 152674, 159312, 199140, 229011, 265520, 305348, 381685, 398280, 458022, 610696, 763370, 796560, 916044, 1145055, 1221392, 1526740, 1832088, 2290110, 3053480, 3664176, 4580220, 6106960, 9160440, 18320880]

約数ペア:

[(1, 18320880), (2, 9160440), (3, 6106960), (4, 4580220), (5, 3664176), (6, 3053480), (8, 2290110), (10, 1832088), (12, 1526740), (15, 1221392), (16, 1145055), (20, 916044), (23, 796560), (24, 763370), (30, 610696), (40, 458022), (46, 398280), (48, 381685), (60, 305348), (69, 265520), (80, 229011), (92, 199140), (115, 159312), (120, 152674), (138, 132760), (184, 99570), (230, 79656), (240, 76337), (276, 66380), (345, 53104), (368, 49785), (460, 39828), (552, 33190), (690, 26552), (920, 19914), (1104, 16595), (1380, 13276), (1840, 9957), (2760, 6638), (3319, 5520)]