31964580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{571}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 97441344

約数和(自身を除く): 65476764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 571, 622, 933, 1142, 1244, 1555, 1713, 1866, 2284, 2799, 2855, 3110, 3426, 3732, 4665, 5139, 5598, 5710, 6220, 6852, 8565, 9330, 10278, 11196, 11420, 13995, 17130, 18660, 20556, 25695, 27990, 34260, 51390, 55980, 102780, 177581, 355162, 532743, 710324, 887905, 1065486, 1598229, 1775810, 2130972, 2663715, 3196458, 3551620, 5327430, 6392916, 7991145, 10654860, 15982290, 31964580]

約数ペア:

[(1, 31964580), (2, 15982290), (3, 10654860), (4, 7991145), (5, 6392916), (6, 5327430), (9, 3551620), (10, 3196458), (12, 2663715), (15, 2130972), (18, 1775810), (20, 1598229), (30, 1065486), (36, 887905), (45, 710324), (60, 532743), (90, 355162), (180, 177581), (311, 102780), (571, 55980), (622, 51390), (933, 34260), (1142, 27990), (1244, 25695), (1555, 20556), (1713, 18660), (1866, 17130), (2284, 13995), (2799, 11420), (2855, 11196), (3110, 10278), (3426, 9330), (3732, 8565), (4665, 6852), (5139, 6220), (5598, 5710)]