64439940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{29027}}^1$

素因数の和:29076

約数の個数: 48

約数和(自身を含む): 185314752

約数和(自身を除く): 120874812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 29027, 58054, 87081, 116108, 145135, 174162, 290270, 348324, 435405, 580540, 870810, 1073999, 1741620, 2147998, 3221997, 4295996, 5369995, 6443994, 10739990, 12887988, 16109985, 21479980, 32219970, 64439940]

約数ペア:

[(1, 64439940), (2, 32219970), (3, 21479980), (4, 16109985), (5, 12887988), (6, 10739990), (10, 6443994), (12, 5369995), (15, 4295996), (20, 3221997), (30, 2147998), (37, 1741620), (60, 1073999), (74, 870810), (111, 580540), (148, 435405), (185, 348324), (222, 290270), (370, 174162), (444, 145135), (555, 116108), (740, 87081), (1110, 58054), (2220, 29027)]