320480685

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19949}}^1$

素因数の和:19987

約数の個数: 64

約数和(自身を含む): 689472000

約数和(自身を除く): 368991315

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1785, 2295, 3213, 5355, 16065, 19949, 59847, 99745, 139643, 179541, 299235, 339133, 418929, 538623, 698215, 897705, 1017399, 1256787, 1695665, 2094645, 2373931, 2693115, 3052197, 3770361, 5086995, 6283935, 7121793, 9156591, 11869655, 15260985, 18851805, 21365379, 35608965, 45782955, 64096137, 106826895, 320480685]

約数ペア:

[(1, 320480685), (3, 106826895), (5, 64096137), (7, 45782955), (9, 35608965), (15, 21365379), (17, 18851805), (21, 15260985), (27, 11869655), (35, 9156591), (45, 7121793), (51, 6283935), (63, 5086995), (85, 3770361), (105, 3052197), (119, 2693115), (135, 2373931), (153, 2094645), (189, 1695665), (255, 1256787), (315, 1017399), (357, 897705), (459, 698215), (595, 538623), (765, 418929), (945, 339133), (1071, 299235), (1785, 179541), (2295, 139643), (3213, 99745), (5355, 59847), (16065, 19949)]