223705560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143401}}^1$

素因数の和:143428

約数の個数: 64

約数和(自身を含む): 722746080

約数和(自身を除く): 499040520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 143401, 286802, 430203, 573604, 717005, 860406, 1147208, 1434010, 1720812, 1864213, 2151015, 2868020, 3441624, 3728426, 4302030, 5592639, 5736040, 7456852, 8604060, 9321065, 11185278, 14913704, 17208120, 18642130, 22370556, 27963195, 37284260, 44741112, 55926390, 74568520, 111852780, 223705560]

約数ペア:

[(1, 223705560), (2, 111852780), (3, 74568520), (4, 55926390), (5, 44741112), (6, 37284260), (8, 27963195), (10, 22370556), (12, 18642130), (13, 17208120), (15, 14913704), (20, 11185278), (24, 9321065), (26, 8604060), (30, 7456852), (39, 5736040), (40, 5592639), (52, 4302030), (60, 3728426), (65, 3441624), (78, 2868020), (104, 2151015), (120, 1864213), (130, 1720812), (156, 1434010), (195, 1147208), (260, 860406), (312, 717005), (390, 573604), (520, 430203), (780, 286802), (1560, 143401)]