219747120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{915613}}^1$

素因数の和:915629

約数の個数: 40

約数和(自身を含む): 681216816

約数和(自身を除く): 461469696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 915613, 1831226, 2746839, 3662452, 4578065, 5493678, 7324904, 9156130, 10987356, 13734195, 14649808, 18312260, 21974712, 27468390, 36624520, 43949424, 54936780, 73249040, 109873560, 219747120]

約数ペア:

[(1, 219747120), (2, 109873560), (3, 73249040), (4, 54936780), (5, 43949424), (6, 36624520), (8, 27468390), (10, 21974712), (12, 18312260), (15, 14649808), (16, 13734195), (20, 10987356), (24, 9156130), (30, 7324904), (40, 5493678), (48, 4578065), (60, 3662452), (80, 2746839), (120, 1831226), (240, 915613)]