220121640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{611449}}^1$

素因数の和:611466

約数の個数: 48

約数和(自身を含む): 715396500

約数和(自身を除く): 495274860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 611449, 1222898, 1834347, 2445796, 3057245, 3668694, 4891592, 5503041, 6114490, 7337388, 9171735, 11006082, 12228980, 14674776, 18343470, 22012164, 24457960, 27515205, 36686940, 44024328, 55030410, 73373880, 110060820, 220121640]

約数ペア:

[(1, 220121640), (2, 110060820), (3, 73373880), (4, 55030410), (5, 44024328), (6, 36686940), (8, 27515205), (9, 24457960), (10, 22012164), (12, 18343470), (15, 14674776), (18, 12228980), (20, 11006082), (24, 9171735), (30, 7337388), (36, 6114490), (40, 5503041), (45, 4891592), (60, 3668694), (72, 3057245), (90, 2445796), (120, 1834347), (180, 1222898), (360, 611449)]