78312019980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1305200333}}^1$

素因数の和:1305200345

約数の個数: 24

約数和(自身を含む): 219273656112

約数和(自身を除く): 140961636132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1305200333, 2610400666, 3915600999, 5220801332, 6526001665, 7831201998, 13052003330, 15662403996, 19578004995, 26104006660, 39156009990, 78312019980]

約数ペア:

[(1, 78312019980), (2, 39156009990), (3, 26104006660), (4, 19578004995), (5, 15662403996), (6, 13052003330), (10, 7831201998), (12, 6526001665), (15, 5220801332), (20, 3915600999), (30, 2610400666), (60, 1305200333)]