2177520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 6940032

約数和(自身を除く): 4762512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 211, 215, 240, 258, 344, 422, 430, 516, 633, 645, 688, 844, 860, 1032, 1055, 1266, 1290, 1688, 1720, 2064, 2110, 2532, 2580, 3165, 3376, 3440, 4220, 5064, 5160, 6330, 8440, 9073, 10128, 10320, 12660, 16880, 18146, 25320, 27219, 36292, 45365, 50640, 54438, 72584, 90730, 108876, 136095, 145168, 181460, 217752, 272190, 362920, 435504, 544380, 725840, 1088760, 2177520]

約数ペア:

[(1, 2177520), (2, 1088760), (3, 725840), (4, 544380), (5, 435504), (6, 362920), (8, 272190), (10, 217752), (12, 181460), (15, 145168), (16, 136095), (20, 108876), (24, 90730), (30, 72584), (40, 54438), (43, 50640), (48, 45365), (60, 36292), (80, 27219), (86, 25320), (120, 18146), (129, 16880), (172, 12660), (211, 10320), (215, 10128), (240, 9073), (258, 8440), (344, 6330), (422, 5160), (430, 5064), (516, 4220), (633, 3440), (645, 3376), (688, 3165), (844, 2580), (860, 2532), (1032, 2110), (1055, 2064), (1266, 1720), (1290, 1688)]