18129900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 52885504

約数和(自身を除く): 34755604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 223, 271, 300, 446, 542, 669, 813, 892, 1084, 1115, 1338, 1355, 1626, 2230, 2676, 2710, 3252, 3345, 4065, 4460, 5420, 5575, 6690, 6775, 8130, 11150, 13380, 13550, 16260, 16725, 20325, 22300, 27100, 33450, 40650, 60433, 66900, 81300, 120866, 181299, 241732, 302165, 362598, 604330, 725196, 906495, 1208660, 1510825, 1812990, 3021650, 3625980, 4532475, 6043300, 9064950, 18129900]

約数ペア:

[(1, 18129900), (2, 9064950), (3, 6043300), (4, 4532475), (5, 3625980), (6, 3021650), (10, 1812990), (12, 1510825), (15, 1208660), (20, 906495), (25, 725196), (30, 604330), (50, 362598), (60, 302165), (75, 241732), (100, 181299), (150, 120866), (223, 81300), (271, 66900), (300, 60433), (446, 40650), (542, 33450), (669, 27100), (813, 22300), (892, 20325), (1084, 16725), (1115, 16260), (1338, 13550), (1355, 13380), (1626, 11150), (2230, 8130), (2676, 6775), (2710, 6690), (3252, 5575), (3345, 5420), (4065, 4460)]