193156720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1303}}^1$

素因数の和:1442

約数の個数: 80

約数和(自身を含む): 480237120

約数和(自身を除く): 287080400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 436, 545, 680, 872, 1090, 1303, 1360, 1744, 1853, 2180, 2606, 3706, 4360, 5212, 6515, 7412, 8720, 9265, 10424, 13030, 14824, 18530, 20848, 22151, 26060, 29648, 37060, 44302, 52120, 74120, 88604, 104240, 110755, 142027, 148240, 177208, 221510, 284054, 354416, 443020, 568108, 710135, 886040, 1136216, 1420270, 1772080, 2272432, 2414459, 2840540, 4828918, 5681080, 9657836, 11362160, 12072295, 19315672, 24144590, 38631344, 48289180, 96578360, 193156720]

約数ペア:

[(1, 193156720), (2, 96578360), (4, 48289180), (5, 38631344), (8, 24144590), (10, 19315672), (16, 12072295), (17, 11362160), (20, 9657836), (34, 5681080), (40, 4828918), (68, 2840540), (80, 2414459), (85, 2272432), (109, 1772080), (136, 1420270), (170, 1136216), (218, 886040), (272, 710135), (340, 568108), (436, 443020), (545, 354416), (680, 284054), (872, 221510), (1090, 177208), (1303, 148240), (1360, 142027), (1744, 110755), (1853, 104240), (2180, 88604), (2606, 74120), (3706, 52120), (4360, 44302), (5212, 37060), (6515, 29648), (7412, 26060), (8720, 22151), (9265, 20848), (10424, 18530), (13030, 14824)]