15730380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{311}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 48039264

約数和(自身を除く): 32308884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 311, 562, 622, 843, 933, 1124, 1244, 1405, 1555, 1686, 1866, 2529, 2799, 2810, 3110, 3372, 3732, 4215, 4665, 5058, 5598, 5620, 6220, 8430, 9330, 10116, 11196, 12645, 13995, 16860, 18660, 25290, 27990, 50580, 55980, 87391, 174782, 262173, 349564, 436955, 524346, 786519, 873910, 1048692, 1310865, 1573038, 1747820, 2621730, 3146076, 3932595, 5243460, 7865190, 15730380]

約数ペア:

[(1, 15730380), (2, 7865190), (3, 5243460), (4, 3932595), (5, 3146076), (6, 2621730), (9, 1747820), (10, 1573038), (12, 1310865), (15, 1048692), (18, 873910), (20, 786519), (30, 524346), (36, 436955), (45, 349564), (60, 262173), (90, 174782), (180, 87391), (281, 55980), (311, 50580), (562, 27990), (622, 25290), (843, 18660), (933, 16860), (1124, 13995), (1244, 12645), (1405, 11196), (1555, 10116), (1686, 9330), (1866, 8430), (2529, 6220), (2799, 5620), (2810, 5598), (3110, 5058), (3372, 4665), (3732, 4215)]