215644920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 664934400

約数和(自身を除く): 449289480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 103, 120, 146, 206, 219, 239, 292, 309, 365, 412, 438, 478, 515, 584, 618, 717, 730, 824, 876, 956, 1030, 1095, 1195, 1236, 1434, 1460, 1545, 1752, 1912, 2060, 2190, 2390, 2472, 2868, 2920, 3090, 3585, 4120, 4380, 4780, 5736, 6180, 7170, 7519, 8760, 9560, 12360, 14340, 15038, 17447, 22557, 24617, 28680, 30076, 34894, 37595, 45114, 49234, 52341, 60152, 69788, 73851, 75190, 87235, 90228, 98468, 104682, 112785, 123085, 139576, 147702, 150380, 174470, 180456, 196936, 209364, 225570, 246170, 261705, 295404, 300760, 348940, 369255, 418728, 451140, 492340, 523410, 590808, 697880, 738510, 902280, 984680, 1046820, 1477020, 1797041, 2093640, 2954040, 3594082, 5391123, 7188164, 8985205, 10782246, 14376328, 17970410, 21564492, 26955615, 35940820, 43128984, 53911230, 71881640, 107822460, 215644920]

約数ペア:

[(1, 215644920), (2, 107822460), (3, 71881640), (4, 53911230), (5, 43128984), (6, 35940820), (8, 26955615), (10, 21564492), (12, 17970410), (15, 14376328), (20, 10782246), (24, 8985205), (30, 7188164), (40, 5391123), (60, 3594082), (73, 2954040), (103, 2093640), (120, 1797041), (146, 1477020), (206, 1046820), (219, 984680), (239, 902280), (292, 738510), (309, 697880), (365, 590808), (412, 523410), (438, 492340), (478, 451140), (515, 418728), (584, 369255), (618, 348940), (717, 300760), (730, 295404), (824, 261705), (876, 246170), (956, 225570), (1030, 209364), (1095, 196936), (1195, 180456), (1236, 174470), (1434, 150380), (1460, 147702), (1545, 139576), (1752, 123085), (1912, 112785), (2060, 104682), (2190, 98468), (2390, 90228), (2472, 87235), (2868, 75190), (2920, 73851), (3090, 69788), (3585, 60152), (4120, 52341), (4380, 49234), (4780, 45114), (5736, 37595), (6180, 34894), (7170, 30076), (7519, 28680), (8760, 24617), (9560, 22557), (12360, 17447), (14340, 15038)]