21902880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45631}}^1$

素因数の和:45649

約数の個数: 48

約数和(自身を含む): 68995584

約数和(自身を除く): 47092704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45631, 91262, 136893, 182524, 228155, 273786, 365048, 456310, 547572, 684465, 730096, 912620, 1095144, 1368930, 1460192, 1825240, 2190288, 2737860, 3650480, 4380576, 5475720, 7300960, 10951440, 21902880]

約数ペア:

[(1, 21902880), (2, 10951440), (3, 7300960), (4, 5475720), (5, 4380576), (6, 3650480), (8, 2737860), (10, 2190288), (12, 1825240), (15, 1460192), (16, 1368930), (20, 1095144), (24, 912620), (30, 730096), (32, 684465), (40, 547572), (48, 456310), (60, 365048), (80, 273786), (96, 228155), (120, 182524), (160, 136893), (240, 91262), (480, 45631)]