220121520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{917173}}^1$

素因数の和:917189

約数の個数: 40

約数和(自身を含む): 682377456

約数和(自身を除く): 462255936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 917173, 1834346, 2751519, 3668692, 4585865, 5503038, 7337384, 9171730, 11006076, 13757595, 14674768, 18343460, 22012152, 27515190, 36686920, 44024304, 55030380, 73373840, 110060760, 220121520]

約数ペア:

[(1, 220121520), (2, 110060760), (3, 73373840), (4, 55030380), (5, 44024304), (6, 36686920), (8, 27515190), (10, 22012152), (12, 18343460), (15, 14674768), (16, 13757595), (20, 11006076), (24, 9171730), (30, 7337384), (40, 5503038), (48, 4585865), (60, 3668692), (80, 2751519), (120, 1834346), (240, 917173)]