656943920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{733}}^1$

素因数の和:1422

約数の個数: 80

約数和(自身を含む): 1621905120

約数和(自身を除く): 964961200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 659, 680, 733, 1318, 1360, 1466, 2636, 2932, 3295, 3665, 5272, 5864, 6590, 7330, 10544, 11203, 11728, 12461, 13180, 14660, 22406, 24922, 26360, 29320, 44812, 49844, 52720, 56015, 58640, 62305, 89624, 99688, 112030, 124610, 179248, 199376, 224060, 249220, 448120, 483047, 498440, 896240, 966094, 996880, 1932188, 2415235, 3864376, 4830470, 7728752, 8211799, 9660940, 16423598, 19321880, 32847196, 38643760, 41058995, 65694392, 82117990, 131388784, 164235980, 328471960, 656943920]

約数ペア:

[(1, 656943920), (2, 328471960), (4, 164235980), (5, 131388784), (8, 82117990), (10, 65694392), (16, 41058995), (17, 38643760), (20, 32847196), (34, 19321880), (40, 16423598), (68, 9660940), (80, 8211799), (85, 7728752), (136, 4830470), (170, 3864376), (272, 2415235), (340, 1932188), (659, 996880), (680, 966094), (733, 896240), (1318, 498440), (1360, 483047), (1466, 448120), (2636, 249220), (2932, 224060), (3295, 199376), (3665, 179248), (5272, 124610), (5864, 112030), (6590, 99688), (7330, 89624), (10544, 62305), (11203, 58640), (11728, 56015), (12461, 52720), (13180, 49844), (14660, 44812), (22406, 29320), (24922, 26360)]