155976720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3299}}^1$

素因数の和:3512

約数の個数: 80

約数和(自身を含む): 486129600

約数和(自身を除く): 330152880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 788, 985, 1182, 1576, 1970, 2364, 2955, 3152, 3299, 3940, 4728, 5910, 6598, 7880, 9456, 9897, 11820, 13196, 15760, 16495, 19794, 23640, 26392, 32990, 39588, 47280, 49485, 52784, 65980, 79176, 98970, 131960, 158352, 197940, 263920, 395880, 649903, 791760, 1299806, 1949709, 2599612, 3249515, 3899418, 5199224, 6499030, 7798836, 9748545, 10398448, 12998060, 15597672, 19497090, 25996120, 31195344, 38994180, 51992240, 77988360, 155976720]

約数ペア:

[(1, 155976720), (2, 77988360), (3, 51992240), (4, 38994180), (5, 31195344), (6, 25996120), (8, 19497090), (10, 15597672), (12, 12998060), (15, 10398448), (16, 9748545), (20, 7798836), (24, 6499030), (30, 5199224), (40, 3899418), (48, 3249515), (60, 2599612), (80, 1949709), (120, 1299806), (197, 791760), (240, 649903), (394, 395880), (591, 263920), (788, 197940), (985, 158352), (1182, 131960), (1576, 98970), (1970, 79176), (2364, 65980), (2955, 52784), (3152, 49485), (3299, 47280), (3940, 39588), (4728, 32990), (5910, 26392), (6598, 23640), (7880, 19794), (9456, 16495), (9897, 15760), (11820, 13196)]