75080020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 174988800

約数和(自身を除く): 99908780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 61, 76, 79, 82, 95, 122, 158, 164, 190, 205, 244, 305, 316, 380, 395, 410, 610, 779, 790, 820, 1159, 1220, 1501, 1558, 1580, 2318, 2501, 3002, 3116, 3239, 3895, 4636, 4819, 5002, 5795, 6004, 6478, 7505, 7790, 9638, 10004, 11590, 12505, 12956, 15010, 15580, 16195, 19276, 23180, 24095, 25010, 30020, 32390, 47519, 48190, 50020, 61541, 64780, 91561, 95038, 96380, 123082, 183122, 190076, 197579, 237595, 246164, 307705, 366244, 395158, 457805, 475190, 615410, 790316, 915610, 950380, 987895, 1230820, 1831220, 1975790, 3754001, 3951580, 7508002, 15016004, 18770005, 37540010, 75080020]

約数ペア:

[(1, 75080020), (2, 37540010), (4, 18770005), (5, 15016004), (10, 7508002), (19, 3951580), (20, 3754001), (38, 1975790), (41, 1831220), (61, 1230820), (76, 987895), (79, 950380), (82, 915610), (95, 790316), (122, 615410), (158, 475190), (164, 457805), (190, 395158), (205, 366244), (244, 307705), (305, 246164), (316, 237595), (380, 197579), (395, 190076), (410, 183122), (610, 123082), (779, 96380), (790, 95038), (820, 91561), (1159, 64780), (1220, 61541), (1501, 50020), (1558, 48190), (1580, 47519), (2318, 32390), (2501, 30020), (3002, 25010), (3116, 24095), (3239, 23180), (3895, 19276), (4636, 16195), (4819, 15580), (5002, 15010), (5795, 12956), (6004, 12505), (6478, 11590), (7505, 10004), (7790, 9638)]