79719900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20441}}^1$

素因数の和:20471

約数の個数: 72

約数和(自身を含む): 248411184

約数和(自身を除く): 168691284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 20441, 40882, 61323, 81764, 102205, 122646, 204410, 245292, 265733, 306615, 408820, 511025, 531466, 613230, 797199, 1022050, 1062932, 1226460, 1328665, 1533075, 1594398, 2044100, 2657330, 3066150, 3188796, 3985995, 5314660, 6132300, 6643325, 7971990, 13286650, 15943980, 19929975, 26573300, 39859950, 79719900]

約数ペア:

[(1, 79719900), (2, 39859950), (3, 26573300), (4, 19929975), (5, 15943980), (6, 13286650), (10, 7971990), (12, 6643325), (13, 6132300), (15, 5314660), (20, 3985995), (25, 3188796), (26, 3066150), (30, 2657330), (39, 2044100), (50, 1594398), (52, 1533075), (60, 1328665), (65, 1226460), (75, 1062932), (78, 1022050), (100, 797199), (130, 613230), (150, 531466), (156, 511025), (195, 408820), (260, 306615), (300, 265733), (325, 245292), (390, 204410), (650, 122646), (780, 102205), (975, 81764), (1300, 61323), (1950, 40882), (3900, 20441)]