2019402120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{23021}}^1$

素因数の和:23095

約数の個数: 128

約数和(自身を含む): 6564032640

約数和(自身を除く): 4544630520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 731, 860, 1020, 1032, 1290, 1462, 1720, 2040, 2193, 2580, 2924, 3655, 4386, 5160, 5848, 7310, 8772, 10965, 14620, 17544, 21930, 23021, 29240, 43860, 46042, 69063, 87720, 92084, 115105, 138126, 184168, 230210, 276252, 345315, 391357, 460420, 552504, 690630, 782714, 920840, 989903, 1174071, 1381260, 1565428, 1956785, 1979806, 2348142, 2762520, 2969709, 3130856, 3913570, 3959612, 4696284, 4949515, 5870355, 5939418, 7827140, 7919224, 9392568, 9899030, 11740710, 11878836, 14848545, 15654280, 16828351, 19798060, 23481420, 23757672, 29697090, 33656702, 39596120, 46962840, 50485053, 59394180, 67313404, 84141755, 100970106, 118788360, 134626808, 168283510, 201940212, 252425265, 336567020, 403880424, 504850530, 673134040, 1009701060, 2019402120]

約数ペア:

[(1, 2019402120), (2, 1009701060), (3, 673134040), (4, 504850530), (5, 403880424), (6, 336567020), (8, 252425265), (10, 201940212), (12, 168283510), (15, 134626808), (17, 118788360), (20, 100970106), (24, 84141755), (30, 67313404), (34, 59394180), (40, 50485053), (43, 46962840), (51, 39596120), (60, 33656702), (68, 29697090), (85, 23757672), (86, 23481420), (102, 19798060), (120, 16828351), (129, 15654280), (136, 14848545), (170, 11878836), (172, 11740710), (204, 9899030), (215, 9392568), (255, 7919224), (258, 7827140), (340, 5939418), (344, 5870355), (408, 4949515), (430, 4696284), (510, 3959612), (516, 3913570), (645, 3130856), (680, 2969709), (731, 2762520), (860, 2348142), (1020, 1979806), (1032, 1956785), (1290, 1565428), (1462, 1381260), (1720, 1174071), (2040, 989903), (2193, 920840), (2580, 782714), (2924, 690630), (3655, 552504), (4386, 460420), (5160, 391357), (5848, 345315), (7310, 276252), (8772, 230210), (10965, 184168), (14620, 138126), (17544, 115105), (21930, 92084), (23021, 87720), (29240, 69063), (43860, 46042)]