123456240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{171467}}^1$

素因数の和:171486

約数の個数: 60

約数和(自身を含む): 414609624

約数和(自身を除く): 291153384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 171467, 342934, 514401, 685868, 857335, 1028802, 1371736, 1543203, 1714670, 2057604, 2572005, 2743472, 3086406, 3429340, 4115208, 5144010, 6172812, 6858680, 7716015, 8230416, 10288020, 12345624, 13717360, 15432030, 20576040, 24691248, 30864060, 41152080, 61728120, 123456240]

約数ペア:

[(1, 123456240), (2, 61728120), (3, 41152080), (4, 30864060), (5, 24691248), (6, 20576040), (8, 15432030), (9, 13717360), (10, 12345624), (12, 10288020), (15, 8230416), (16, 7716015), (18, 6858680), (20, 6172812), (24, 5144010), (30, 4115208), (36, 3429340), (40, 3086406), (45, 2743472), (48, 2572005), (60, 2057604), (72, 1714670), (80, 1543203), (90, 1371736), (120, 1028802), (144, 857335), (180, 685868), (240, 514401), (360, 342934), (720, 171467)]