202121520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{842173}}^1$

素因数の和:842189

約数の個数: 40

約数和(自身を含む): 626577456

約数和(自身を除く): 424455936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 842173, 1684346, 2526519, 3368692, 4210865, 5053038, 6737384, 8421730, 10106076, 12632595, 13474768, 16843460, 20212152, 25265190, 33686920, 40424304, 50530380, 67373840, 101060760, 202121520]

約数ペア:

[(1, 202121520), (2, 101060760), (3, 67373840), (4, 50530380), (5, 40424304), (6, 33686920), (8, 25265190), (10, 20212152), (12, 16843460), (15, 13474768), (16, 12632595), (20, 10106076), (24, 8421730), (30, 6737384), (40, 5053038), (48, 4210865), (60, 3368692), (80, 2526519), (120, 1684346), (240, 842173)]