64941240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:366

約数の個数: 256

約数和(自身を含む): 253209600

約数和(自身を除く): 188268360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 313, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 626, 665, 728, 741, 760, 780, 798, 840, 910, 939, 988, 1064, 1092, 1140, 1235, 1252, 1330, 1365, 1482, 1560, 1565, 1596, 1729, 1820, 1878, 1976, 1995, 2184, 2191, 2280, 2470, 2504, 2660, 2730, 2964, 3130, 3192, 3458, 3640, 3705, 3756, 3990, 4069, 4382, 4695, 4940, 5187, 5320, 5460, 5928, 5947, 6260, 6573, 6916, 7410, 7512, 7980, 8138, 8645, 8764, 9390, 9880, 10374, 10920, 10955, 11894, 12207, 12520, 13146, 13832, 14820, 15960, 16276, 17290, 17528, 17841, 18780, 20345, 20748, 21910, 23788, 24414, 25935, 26292, 28483, 29640, 29735, 32552, 32865, 34580, 35682, 37560, 40690, 41496, 41629, 43820, 47576, 48828, 51870, 52584, 56966, 59470, 61035, 65730, 69160, 71364, 77311, 81380, 83258, 85449, 87640, 89205, 97656, 103740, 113932, 118940, 122070, 124887, 131460, 142415, 142728, 154622, 162760, 166516, 170898, 178410, 207480, 208145, 227864, 231933, 237880, 244140, 249774, 262920, 284830, 309244, 333032, 341796, 356820, 386555, 416290, 427245, 463866, 488280, 499548, 541177, 569660, 618488, 624435, 683592, 713640, 773110, 832580, 854490, 927732, 999096, 1082354, 1139320, 1159665, 1248870, 1546220, 1623531, 1665160, 1708980, 1855464, 2164708, 2319330, 2497740, 2705885, 3092440, 3247062, 3417960, 4329416, 4638660, 4995480, 5411770, 6494124, 8117655, 9277320, 10823540, 12988248, 16235310, 21647080, 32470620, 64941240]

約数ペア:

[(1, 64941240), (2, 32470620), (3, 21647080), (4, 16235310), (5, 12988248), (6, 10823540), (7, 9277320), (8, 8117655), (10, 6494124), (12, 5411770), (13, 4995480), (14, 4638660), (15, 4329416), (19, 3417960), (20, 3247062), (21, 3092440), (24, 2705885), (26, 2497740), (28, 2319330), (30, 2164708), (35, 1855464), (38, 1708980), (39, 1665160), (40, 1623531), (42, 1546220), (52, 1248870), (56, 1159665), (57, 1139320), (60, 1082354), (65, 999096), (70, 927732), (76, 854490), (78, 832580), (84, 773110), (91, 713640), (95, 683592), (104, 624435), (105, 618488), (114, 569660), (120, 541177), (130, 499548), (133, 488280), (140, 463866), (152, 427245), (156, 416290), (168, 386555), (182, 356820), (190, 341796), (195, 333032), (210, 309244), (228, 284830), (247, 262920), (260, 249774), (266, 244140), (273, 237880), (280, 231933), (285, 227864), (312, 208145), (313, 207480), (364, 178410), (380, 170898), (390, 166516), (399, 162760), (420, 154622), (455, 142728), (456, 142415), (494, 131460), (520, 124887), (532, 122070), (546, 118940), (570, 113932), (626, 103740), (665, 97656), (728, 89205), (741, 87640), (760, 85449), (780, 83258), (798, 81380), (840, 77311), (910, 71364), (939, 69160), (988, 65730), (1064, 61035), (1092, 59470), (1140, 56966), (1235, 52584), (1252, 51870), (1330, 48828), (1365, 47576), (1482, 43820), (1560, 41629), (1565, 41496), (1596, 40690), (1729, 37560), (1820, 35682), (1878, 34580), (1976, 32865), (1995, 32552), (2184, 29735), (2191, 29640), (2280, 28483), (2470, 26292), (2504, 25935), (2660, 24414), (2730, 23788), (2964, 21910), (3130, 20748), (3192, 20345), (3458, 18780), (3640, 17841), (3705, 17528), (3756, 17290), (3990, 16276), (4069, 15960), (4382, 14820), (4695, 13832), (4940, 13146), (5187, 12520), (5320, 12207), (5460, 11894), (5928, 10955), (5947, 10920), (6260, 10374), (6573, 9880), (6916, 9390), (7410, 8764), (7512, 8645), (7980, 8138)]