640787868

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{683}}^1$

素因数の和:793

約数の個数: 192

約数和(自身を含む): 2040837120

約数和(自身を除く): 1400049252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 73, 84, 102, 108, 119, 126, 146, 153, 189, 204, 219, 238, 252, 292, 306, 357, 378, 438, 459, 476, 511, 612, 657, 683, 714, 756, 876, 918, 1022, 1071, 1241, 1314, 1366, 1428, 1533, 1836, 1971, 2044, 2049, 2142, 2482, 2628, 2732, 3066, 3213, 3723, 3942, 4098, 4284, 4599, 4781, 4964, 6132, 6147, 6426, 7446, 7884, 8196, 8687, 9198, 9562, 11169, 11611, 12294, 12852, 13797, 14343, 14892, 17374, 18396, 18441, 19124, 22338, 23222, 24588, 26061, 27594, 28686, 33507, 34748, 34833, 36882, 43029, 44676, 46444, 49859, 52122, 55188, 57372, 67014, 69666, 73764, 78183, 81277, 86058, 99718, 104244, 104499, 129087, 134028, 139332, 149577, 156366, 162554, 172116, 199436, 208998, 234549, 243831, 258174, 299154, 312732, 313497, 325108, 349013, 417996, 448731, 469098, 487662, 516348, 598308, 626994, 698026, 731493, 847603, 897462, 938196, 975324, 1047039, 1253988, 1346193, 1396052, 1462986, 1695206, 1794924, 2094078, 2194479, 2542809, 2692386, 2925972, 3141117, 3390412, 4188156, 4388958, 5085618, 5384772, 5933221, 6282234, 7628427, 8777916, 9423351, 10171236, 11866442, 12564468, 15256854, 17799663, 18846702, 22885281, 23732884, 30513708, 35599326, 37693404, 45770562, 53398989, 71198652, 91541124, 106797978, 160196967, 213595956, 320393934, 640787868]

約数ペア:

[(1, 640787868), (2, 320393934), (3, 213595956), (4, 160196967), (6, 106797978), (7, 91541124), (9, 71198652), (12, 53398989), (14, 45770562), (17, 37693404), (18, 35599326), (21, 30513708), (27, 23732884), (28, 22885281), (34, 18846702), (36, 17799663), (42, 15256854), (51, 12564468), (54, 11866442), (63, 10171236), (68, 9423351), (73, 8777916), (84, 7628427), (102, 6282234), (108, 5933221), (119, 5384772), (126, 5085618), (146, 4388958), (153, 4188156), (189, 3390412), (204, 3141117), (219, 2925972), (238, 2692386), (252, 2542809), (292, 2194479), (306, 2094078), (357, 1794924), (378, 1695206), (438, 1462986), (459, 1396052), (476, 1346193), (511, 1253988), (612, 1047039), (657, 975324), (683, 938196), (714, 897462), (756, 847603), (876, 731493), (918, 698026), (1022, 626994), (1071, 598308), (1241, 516348), (1314, 487662), (1366, 469098), (1428, 448731), (1533, 417996), (1836, 349013), (1971, 325108), (2044, 313497), (2049, 312732), (2142, 299154), (2482, 258174), (2628, 243831), (2732, 234549), (3066, 208998), (3213, 199436), (3723, 172116), (3942, 162554), (4098, 156366), (4284, 149577), (4599, 139332), (4781, 134028), (4964, 129087), (6132, 104499), (6147, 104244), (6426, 99718), (7446, 86058), (7884, 81277), (8196, 78183), (8687, 73764), (9198, 69666), (9562, 67014), (11169, 57372), (11611, 55188), (12294, 52122), (12852, 49859), (13797, 46444), (14343, 44676), (14892, 43029), (17374, 36882), (18396, 34833), (18441, 34748), (19124, 33507), (22338, 28686), (23222, 27594), (24588, 26061)]