61619090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 128011428

約数和(自身を除く): 66392338

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 101, 130, 169, 190, 202, 247, 338, 361, 494, 505, 722, 845, 1010, 1235, 1313, 1690, 1805, 1919, 2470, 2626, 3211, 3610, 3838, 4693, 6422, 6565, 9386, 9595, 13130, 16055, 17069, 19190, 23465, 24947, 32110, 34138, 36461, 46930, 49894, 61009, 72922, 85345, 122018, 124735, 170690, 182305, 249470, 305045, 324311, 364610, 473993, 610090, 648622, 947986, 1621555, 2369965, 3243110, 4739930, 6161909, 12323818, 30809545, 61619090]

約数ペア:

[(1, 61619090), (2, 30809545), (5, 12323818), (10, 6161909), (13, 4739930), (19, 3243110), (26, 2369965), (38, 1621555), (65, 947986), (95, 648622), (101, 610090), (130, 473993), (169, 364610), (190, 324311), (202, 305045), (247, 249470), (338, 182305), (361, 170690), (494, 124735), (505, 122018), (722, 85345), (845, 72922), (1010, 61009), (1235, 49894), (1313, 46930), (1690, 36461), (1805, 34138), (1919, 32110), (2470, 24947), (2626, 23465), (3211, 19190), (3610, 17069), (3838, 16055), (4693, 13130), (6422, 9595), (6565, 9386)]