1885980

素因数分解:

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

素因数の和:115

約数の個数: 72

約数和(自身を含む): 5724432

約数和(自身を除く): 3838452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 85, 86, 102, 129, 170, 172, 204, 215, 255, 258, 340, 430, 510, 516, 645, 731, 860, 1020, 1290, 1462, 1849, 2193, 2580, 2924, 3655, 3698, 4386, 5547, 7310, 7396, 8772, 9245, 10965, 11094, 14620, 18490, 21930, 22188, 27735, 31433, 36980, 43860, 55470, 62866, 94299, 110940, 125732, 157165, 188598, 314330, 377196, 471495, 628660, 942990, 1885980]

約数ペア:

[(1, 1885980), (2, 942990), (3, 628660), (4, 471495), (5, 377196), (6, 314330), (10, 188598), (12, 157165), (15, 125732), (17, 110940), (20, 94299), (30, 62866), (34, 55470), (43, 43860), (51, 36980), (60, 31433), (68, 27735), (85, 22188), (86, 21930), (102, 18490), (129, 14620), (170, 11094), (172, 10965), (204, 9245), (215, 8772), (255, 7396), (258, 7310), (340, 5547), (430, 4386), (510, 3698), (516, 3655), (645, 2924), (731, 2580), (860, 2193), (1020, 1849), (1290, 1462)]