661765896

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 256

約数和(自身を含む): 2146176000

約数和(自身を除く): 1484410104

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 27, 33, 36, 38, 44, 54, 57, 66, 72, 76, 88, 99, 107, 108, 114, 132, 137, 152, 171, 198, 209, 214, 216, 228, 264, 274, 297, 321, 342, 396, 411, 418, 428, 456, 513, 548, 594, 627, 642, 684, 792, 822, 836, 856, 963, 1026, 1096, 1177, 1188, 1233, 1254, 1284, 1368, 1507, 1644, 1672, 1881, 1926, 2033, 2052, 2354, 2376, 2466, 2508, 2568, 2603, 2889, 3014, 3288, 3531, 3699, 3762, 3852, 4066, 4104, 4521, 4708, 4932, 5016, 5206, 5643, 5778, 6028, 6099, 7062, 7398, 7524, 7704, 7809, 8132, 9042, 9416, 9864, 10412, 10593, 11286, 11556, 12056, 12198, 13563, 14124, 14659, 14796, 15048, 15618, 16264, 18084, 18297, 20824, 21186, 22363, 22572, 23112, 23427, 24396, 27126, 28248, 28633, 29318, 29592, 31236, 31779, 36168, 36594, 40689, 42372, 43977, 44726, 45144, 46854, 48792, 54252, 54891, 57266, 58636, 62472, 63558, 67089, 70281, 73188, 81378, 84744, 85899, 87954, 89452, 93708, 108504, 109782, 114532, 117272, 127116, 131931, 134178, 140562, 146376, 161249, 162756, 171798, 175908, 178904, 187416, 201267, 219564, 229064, 254232, 257697, 263862, 268356, 278521, 281124, 322498, 325512, 343596, 351816, 395793, 402534, 439128, 483747, 515394, 527724, 536712, 557042, 562248, 603801, 644996, 687192, 773091, 791586, 805068, 835563, 967494, 1030788, 1055448, 1114084, 1207602, 1289992, 1451241, 1546182, 1583172, 1610136, 1671126, 1934988, 2061576, 2228168, 2415204, 2506689, 2902482, 3063731, 3092364, 3166344, 3342252, 3869976, 4353723, 4830408, 5013378, 5804964, 6127462, 6184728, 6684504, 7520067, 8707446, 9191193, 10026756, 11609928, 12254924, 15040134, 17414892, 18382386, 20053512, 24509848, 27573579, 30080268, 34829784, 36764772, 55147158, 60160536, 73529544, 82720737, 110294316, 165441474, 220588632, 330882948, 661765896]

約数ペア:

[(1, 661765896), (2, 330882948), (3, 220588632), (4, 165441474), (6, 110294316), (8, 82720737), (9, 73529544), (11, 60160536), (12, 55147158), (18, 36764772), (19, 34829784), (22, 30080268), (24, 27573579), (27, 24509848), (33, 20053512), (36, 18382386), (38, 17414892), (44, 15040134), (54, 12254924), (57, 11609928), (66, 10026756), (72, 9191193), (76, 8707446), (88, 7520067), (99, 6684504), (107, 6184728), (108, 6127462), (114, 5804964), (132, 5013378), (137, 4830408), (152, 4353723), (171, 3869976), (198, 3342252), (209, 3166344), (214, 3092364), (216, 3063731), (228, 2902482), (264, 2506689), (274, 2415204), (297, 2228168), (321, 2061576), (342, 1934988), (396, 1671126), (411, 1610136), (418, 1583172), (428, 1546182), (456, 1451241), (513, 1289992), (548, 1207602), (594, 1114084), (627, 1055448), (642, 1030788), (684, 967494), (792, 835563), (822, 805068), (836, 791586), (856, 773091), (963, 687192), (1026, 644996), (1096, 603801), (1177, 562248), (1188, 557042), (1233, 536712), (1254, 527724), (1284, 515394), (1368, 483747), (1507, 439128), (1644, 402534), (1672, 395793), (1881, 351816), (1926, 343596), (2033, 325512), (2052, 322498), (2354, 281124), (2376, 278521), (2466, 268356), (2508, 263862), (2568, 257697), (2603, 254232), (2889, 229064), (3014, 219564), (3288, 201267), (3531, 187416), (3699, 178904), (3762, 175908), (3852, 171798), (4066, 162756), (4104, 161249), (4521, 146376), (4708, 140562), (4932, 134178), (5016, 131931), (5206, 127116), (5643, 117272), (5778, 114532), (6028, 109782), (6099, 108504), (7062, 93708), (7398, 89452), (7524, 87954), (7704, 85899), (7809, 84744), (8132, 81378), (9042, 73188), (9416, 70281), (9864, 67089), (10412, 63558), (10593, 62472), (11286, 58636), (11556, 57266), (12056, 54891), (12198, 54252), (13563, 48792), (14124, 46854), (14659, 45144), (14796, 44726), (15048, 43977), (15618, 42372), (16264, 40689), (18084, 36594), (18297, 36168), (20824, 31779), (21186, 31236), (22363, 29592), (22572, 29318), (23112, 28633), (23427, 28248), (24396, 27126)]