90881560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1601

約数の個数: 128

約数和(自身を含む): 268531200

約数和(自身を除く): 177649640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 665, 760, 770, 836, 1045, 1064, 1330, 1463, 1540, 1553, 1672, 2090, 2660, 2926, 3080, 3106, 4180, 5320, 5852, 6212, 7315, 7765, 8360, 10871, 11704, 12424, 14630, 15530, 17083, 21742, 29260, 29507, 31060, 34166, 43484, 54355, 58520, 59014, 62120, 68332, 85415, 86968, 108710, 118028, 119581, 136664, 147535, 170830, 206549, 217420, 236056, 239162, 295070, 324577, 341660, 413098, 434840, 478324, 590140, 597905, 649154, 683320, 826196, 956648, 1032745, 1180280, 1195810, 1298308, 1622885, 1652392, 2065490, 2272039, 2391620, 2596616, 3245770, 4130980, 4544078, 4783240, 6491540, 8261960, 9088156, 11360195, 12983080, 18176312, 22720390, 45440780, 90881560]

約数ペア:

[(1, 90881560), (2, 45440780), (4, 22720390), (5, 18176312), (7, 12983080), (8, 11360195), (10, 9088156), (11, 8261960), (14, 6491540), (19, 4783240), (20, 4544078), (22, 4130980), (28, 3245770), (35, 2596616), (38, 2391620), (40, 2272039), (44, 2065490), (55, 1652392), (56, 1622885), (70, 1298308), (76, 1195810), (77, 1180280), (88, 1032745), (95, 956648), (110, 826196), (133, 683320), (140, 649154), (152, 597905), (154, 590140), (190, 478324), (209, 434840), (220, 413098), (266, 341660), (280, 324577), (308, 295070), (380, 239162), (385, 236056), (418, 217420), (440, 206549), (532, 170830), (616, 147535), (665, 136664), (760, 119581), (770, 118028), (836, 108710), (1045, 86968), (1064, 85415), (1330, 68332), (1463, 62120), (1540, 59014), (1553, 58520), (1672, 54355), (2090, 43484), (2660, 34166), (2926, 31060), (3080, 29507), (3106, 29260), (4180, 21742), (5320, 17083), (5852, 15530), (6212, 14630), (7315, 12424), (7765, 11704), (8360, 10871)]