19885200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 64855968

約数和(自身を除く): 44970768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 73, 75, 80, 100, 120, 146, 150, 200, 219, 227, 240, 292, 300, 365, 400, 438, 454, 584, 600, 681, 730, 876, 908, 1095, 1135, 1168, 1200, 1362, 1460, 1752, 1816, 1825, 2190, 2270, 2724, 2920, 3405, 3504, 3632, 3650, 4380, 4540, 5448, 5475, 5675, 5840, 6810, 7300, 8760, 9080, 10896, 10950, 11350, 13620, 14600, 16571, 17025, 17520, 18160, 21900, 22700, 27240, 29200, 33142, 34050, 43800, 45400, 49713, 54480, 66284, 68100, 82855, 87600, 90800, 99426, 132568, 136200, 165710, 198852, 248565, 265136, 272400, 331420, 397704, 414275, 497130, 662840, 795408, 828550, 994260, 1242825, 1325680, 1657100, 1988520, 2485650, 3314200, 3977040, 4971300, 6628400, 9942600, 19885200]

約数ペア:

[(1, 19885200), (2, 9942600), (3, 6628400), (4, 4971300), (5, 3977040), (6, 3314200), (8, 2485650), (10, 1988520), (12, 1657100), (15, 1325680), (16, 1242825), (20, 994260), (24, 828550), (25, 795408), (30, 662840), (40, 497130), (48, 414275), (50, 397704), (60, 331420), (73, 272400), (75, 265136), (80, 248565), (100, 198852), (120, 165710), (146, 136200), (150, 132568), (200, 99426), (219, 90800), (227, 87600), (240, 82855), (292, 68100), (300, 66284), (365, 54480), (400, 49713), (438, 45400), (454, 43800), (584, 34050), (600, 33142), (681, 29200), (730, 27240), (876, 22700), (908, 21900), (1095, 18160), (1135, 17520), (1168, 17025), (1200, 16571), (1362, 14600), (1460, 13620), (1752, 11350), (1816, 10950), (1825, 10896), (2190, 9080), (2270, 8760), (2724, 7300), (2920, 6810), (3405, 5840), (3504, 5675), (3632, 5475), (3650, 5448), (4380, 4540)]