15281989660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{143063}}^1$

素因数の和:143195

約数の個数: 72

約数和(自身を含む): 37674473760

約数和(自身を除く): 22392484100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 980, 1090, 1526, 2180, 3052, 3815, 5341, 7630, 10682, 15260, 21364, 26705, 53410, 106820, 143063, 286126, 572252, 715315, 1001441, 1430630, 2002882, 2861260, 4005764, 5007205, 7010087, 10014410, 14020174, 15593867, 20028820, 28040348, 31187734, 35050435, 62375468, 70100870, 77969335, 109157069, 140201740, 155938670, 218314138, 311877340, 436628276, 545785345, 764099483, 1091570690, 1528198966, 2183141380, 3056397932, 3820497415, 7640994830, 15281989660]

約数ペア:

[(1, 15281989660), (2, 7640994830), (4, 3820497415), (5, 3056397932), (7, 2183141380), (10, 1528198966), (14, 1091570690), (20, 764099483), (28, 545785345), (35, 436628276), (49, 311877340), (70, 218314138), (98, 155938670), (109, 140201740), (140, 109157069), (196, 77969335), (218, 70100870), (245, 62375468), (436, 35050435), (490, 31187734), (545, 28040348), (763, 20028820), (980, 15593867), (1090, 14020174), (1526, 10014410), (2180, 7010087), (3052, 5007205), (3815, 4005764), (5341, 2861260), (7630, 2002882), (10682, 1430630), (15260, 1001441), (21364, 715315), (26705, 572252), (53410, 286126), (106820, 143063)]