73271980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 171864000

約数和(自身を除く): 98592020

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 61, 76, 95, 109, 116, 122, 145, 190, 218, 244, 290, 305, 380, 436, 545, 551, 580, 610, 1090, 1102, 1159, 1220, 1769, 2071, 2180, 2204, 2318, 2755, 3161, 3538, 4142, 4636, 5510, 5795, 6322, 6649, 7076, 8284, 8845, 10355, 11020, 11590, 12644, 13298, 15805, 17690, 20710, 23180, 26596, 31610, 33245, 33611, 35380, 41420, 60059, 63220, 66490, 67222, 120118, 126331, 132980, 134444, 168055, 192821, 240236, 252662, 300295, 336110, 385642, 505324, 600590, 631655, 672220, 771284, 964105, 1201180, 1263310, 1928210, 2526620, 3663599, 3856420, 7327198, 14654396, 18317995, 36635990, 73271980]

約数ペア:

[(1, 73271980), (2, 36635990), (4, 18317995), (5, 14654396), (10, 7327198), (19, 3856420), (20, 3663599), (29, 2526620), (38, 1928210), (58, 1263310), (61, 1201180), (76, 964105), (95, 771284), (109, 672220), (116, 631655), (122, 600590), (145, 505324), (190, 385642), (218, 336110), (244, 300295), (290, 252662), (305, 240236), (380, 192821), (436, 168055), (545, 134444), (551, 132980), (580, 126331), (610, 120118), (1090, 67222), (1102, 66490), (1159, 63220), (1220, 60059), (1769, 41420), (2071, 35380), (2180, 33611), (2204, 33245), (2318, 31610), (2755, 26596), (3161, 23180), (3538, 20710), (4142, 17690), (4636, 15805), (5510, 13298), (5795, 12644), (6322, 11590), (6649, 11020), (7076, 10355), (8284, 8845)]