128637828

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 192

約数和(自身を含む): 395136000

約数和(自身を除く): 266498172

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 27, 33, 36, 38, 41, 44, 54, 57, 66, 76, 82, 99, 108, 114, 123, 132, 139, 164, 171, 198, 209, 228, 246, 278, 297, 342, 369, 396, 417, 418, 451, 492, 513, 556, 594, 627, 684, 738, 779, 834, 836, 902, 1026, 1107, 1188, 1251, 1254, 1353, 1476, 1529, 1558, 1668, 1804, 1881, 2052, 2214, 2337, 2502, 2508, 2641, 2706, 3058, 3116, 3753, 3762, 4059, 4428, 4587, 4674, 5004, 5282, 5412, 5643, 5699, 6116, 7011, 7506, 7524, 7923, 8118, 8569, 9174, 9348, 10564, 11286, 11398, 12177, 13761, 14022, 15012, 15846, 16236, 17097, 17138, 18348, 21033, 22572, 22796, 23769, 24354, 25707, 27522, 28044, 29051, 31692, 34194, 34276, 41283, 42066, 47538, 48708, 51291, 51414, 55044, 58102, 62689, 68388, 71307, 77121, 82566, 84132, 87153, 95076, 102582, 102828, 108281, 116204, 125378, 142614, 153873, 154242, 165132, 174306, 188067, 205164, 216562, 231363, 250756, 261459, 285228, 307746, 308484, 324843, 348612, 376134, 433124, 462726, 522918, 564201, 615492, 649686, 752268, 784377, 925452, 974529, 1045836, 1128402, 1191091, 1299372, 1568754, 1692603, 1949058, 2256804, 2382182, 2923587, 3137508, 3385206, 3573273, 3898116, 4764364, 5847174, 6770412, 7146546, 10719819, 11694348, 14293092, 21439638, 32159457, 42879276, 64318914, 128637828]

約数ペア:

[(1, 128637828), (2, 64318914), (3, 42879276), (4, 32159457), (6, 21439638), (9, 14293092), (11, 11694348), (12, 10719819), (18, 7146546), (19, 6770412), (22, 5847174), (27, 4764364), (33, 3898116), (36, 3573273), (38, 3385206), (41, 3137508), (44, 2923587), (54, 2382182), (57, 2256804), (66, 1949058), (76, 1692603), (82, 1568754), (99, 1299372), (108, 1191091), (114, 1128402), (123, 1045836), (132, 974529), (139, 925452), (164, 784377), (171, 752268), (198, 649686), (209, 615492), (228, 564201), (246, 522918), (278, 462726), (297, 433124), (342, 376134), (369, 348612), (396, 324843), (417, 308484), (418, 307746), (451, 285228), (492, 261459), (513, 250756), (556, 231363), (594, 216562), (627, 205164), (684, 188067), (738, 174306), (779, 165132), (834, 154242), (836, 153873), (902, 142614), (1026, 125378), (1107, 116204), (1188, 108281), (1251, 102828), (1254, 102582), (1353, 95076), (1476, 87153), (1529, 84132), (1558, 82566), (1668, 77121), (1804, 71307), (1881, 68388), (2052, 62689), (2214, 58102), (2337, 55044), (2502, 51414), (2508, 51291), (2641, 48708), (2706, 47538), (3058, 42066), (3116, 41283), (3753, 34276), (3762, 34194), (4059, 31692), (4428, 29051), (4587, 28044), (4674, 27522), (5004, 25707), (5282, 24354), (5412, 23769), (5643, 22796), (5699, 22572), (6116, 21033), (7011, 18348), (7506, 17138), (7524, 17097), (7923, 16236), (8118, 15846), (8569, 15012), (9174, 14022), (9348, 13761), (10564, 12177), (11286, 11398)]