320031855

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1289

約数の個数: 96

約数和(自身を含む): 668146752

約数和(自身を除く): 348114897

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 41, 45, 55, 65, 99, 117, 123, 143, 165, 195, 205, 369, 429, 451, 495, 533, 585, 615, 715, 1213, 1287, 1353, 1599, 1845, 2145, 2255, 2665, 3639, 4059, 4797, 5863, 6065, 6435, 6765, 7995, 10917, 13343, 15769, 17589, 18195, 20295, 23985, 29315, 40029, 47307, 49733, 52767, 54585, 66715, 78845, 87945, 120087, 141921, 149199, 173459, 200145, 236535, 248665, 263835, 447597, 520377, 547063, 600435, 646529, 709605, 745995, 867295, 1561131, 1641189, 1939587, 2237985, 2601885, 2735315, 3232645, 4923567, 5818761, 7111819, 7805655, 8205945, 9697935, 21335457, 24617835, 29093805, 35559095, 64006371, 106677285, 320031855]

約数ペア:

[(1, 320031855), (3, 106677285), (5, 64006371), (9, 35559095), (11, 29093805), (13, 24617835), (15, 21335457), (33, 9697935), (39, 8205945), (41, 7805655), (45, 7111819), (55, 5818761), (65, 4923567), (99, 3232645), (117, 2735315), (123, 2601885), (143, 2237985), (165, 1939587), (195, 1641189), (205, 1561131), (369, 867295), (429, 745995), (451, 709605), (495, 646529), (533, 600435), (585, 547063), (615, 520377), (715, 447597), (1213, 263835), (1287, 248665), (1353, 236535), (1599, 200145), (1845, 173459), (2145, 149199), (2255, 141921), (2665, 120087), (3639, 87945), (4059, 78845), (4797, 66715), (5863, 54585), (6065, 52767), (6435, 49733), (6765, 47307), (7995, 40029), (10917, 29315), (13343, 23985), (15769, 20295), (17589, 18195)]