198888720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{828703}}^1$

素因数の和:828719

約数の個数: 40

約数和(自身を含む): 616555776

約数和(自身を除く): 417667056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 828703, 1657406, 2486109, 3314812, 4143515, 4972218, 6629624, 8287030, 9944436, 12430545, 13259248, 16574060, 19888872, 24861090, 33148120, 39777744, 49722180, 66296240, 99444360, 198888720]

約数ペア:

[(1, 198888720), (2, 99444360), (3, 66296240), (4, 49722180), (5, 39777744), (6, 33148120), (8, 24861090), (10, 19888872), (12, 16574060), (15, 13259248), (16, 12430545), (20, 9944436), (24, 8287030), (30, 6629624), (40, 4972218), (48, 4143515), (60, 3314812), (80, 2486109), (120, 1657406), (240, 828703)]