7948659880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{51521}}^1$

素因数の和:51587

約数の個数: 128

約数和(自身を含む): 22257504000

約数和(自身を除く): 14308844120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 95, 116, 133, 140, 145, 152, 190, 203, 232, 266, 280, 290, 380, 406, 532, 551, 580, 665, 760, 812, 1015, 1064, 1102, 1160, 1330, 1624, 2030, 2204, 2660, 2755, 3857, 4060, 4408, 5320, 5510, 7714, 8120, 11020, 15428, 19285, 22040, 30856, 38570, 51521, 77140, 103042, 154280, 206084, 257605, 360647, 412168, 515210, 721294, 978899, 1030420, 1442588, 1494109, 1803235, 1957798, 2060840, 2885176, 2988218, 3606470, 3915596, 4894495, 5976436, 6852293, 7212940, 7470545, 7831192, 9788990, 10458763, 11952872, 13704586, 14425880, 14941090, 19577980, 20917526, 27409172, 28388071, 29882180, 34261465, 39155960, 41835052, 52293815, 54818344, 56776142, 59764360, 68522930, 83670104, 104587630, 113552284, 137045860, 141940355, 198716497, 209175260, 227104568, 274091720, 283880710, 397432994, 418350520, 567761420, 794865988, 993582485, 1135522840, 1589731976, 1987164970, 3974329940, 7948659880]

約数ペア:

[(1, 7948659880), (2, 3974329940), (4, 1987164970), (5, 1589731976), (7, 1135522840), (8, 993582485), (10, 794865988), (14, 567761420), (19, 418350520), (20, 397432994), (28, 283880710), (29, 274091720), (35, 227104568), (38, 209175260), (40, 198716497), (56, 141940355), (58, 137045860), (70, 113552284), (76, 104587630), (95, 83670104), (116, 68522930), (133, 59764360), (140, 56776142), (145, 54818344), (152, 52293815), (190, 41835052), (203, 39155960), (232, 34261465), (266, 29882180), (280, 28388071), (290, 27409172), (380, 20917526), (406, 19577980), (532, 14941090), (551, 14425880), (580, 13704586), (665, 11952872), (760, 10458763), (812, 9788990), (1015, 7831192), (1064, 7470545), (1102, 7212940), (1160, 6852293), (1330, 5976436), (1624, 4894495), (2030, 3915596), (2204, 3606470), (2660, 2988218), (2755, 2885176), (3857, 2060840), (4060, 1957798), (4408, 1803235), (5320, 1494109), (5510, 1442588), (7714, 1030420), (8120, 978899), (11020, 721294), (15428, 515210), (19285, 412168), (22040, 360647), (30856, 257605), (38570, 206084), (51521, 154280), (77140, 103042)]