212945880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{253507}}^1$

素因数の和:253528

約数の個数: 64

約数和(自身を含む): 730103040

約数和(自身を除く): 517157160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 253507, 507014, 760521, 1014028, 1267535, 1521042, 1774549, 2028056, 2535070, 3042084, 3549098, 3802605, 5070140, 5323647, 6084168, 7098196, 7605210, 8872745, 10140280, 10647294, 14196392, 15210420, 17745490, 21294588, 26618235, 30420840, 35490980, 42589176, 53236470, 70981960, 106472940, 212945880]

約数ペア:

[(1, 212945880), (2, 106472940), (3, 70981960), (4, 53236470), (5, 42589176), (6, 35490980), (7, 30420840), (8, 26618235), (10, 21294588), (12, 17745490), (14, 15210420), (15, 14196392), (20, 10647294), (21, 10140280), (24, 8872745), (28, 7605210), (30, 7098196), (35, 6084168), (40, 5323647), (42, 5070140), (56, 3802605), (60, 3549098), (70, 3042084), (84, 2535070), (105, 2028056), (120, 1774549), (140, 1521042), (168, 1267535), (210, 1014028), (280, 760521), (420, 507014), (840, 253507)]