179670920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 481178880

約数和(自身を除く): 301507960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 101, 104, 110, 130, 143, 202, 220, 260, 286, 311, 404, 440, 505, 520, 572, 622, 715, 808, 1010, 1111, 1144, 1244, 1313, 1430, 1555, 2020, 2222, 2488, 2626, 2860, 3110, 3421, 4040, 4043, 4444, 5252, 5555, 5720, 6220, 6565, 6842, 8086, 8888, 10504, 11110, 12440, 13130, 13684, 14443, 16172, 17105, 20215, 22220, 26260, 27368, 28886, 31411, 32344, 34210, 40430, 44440, 44473, 52520, 57772, 62822, 68420, 72215, 80860, 88946, 115544, 125644, 136840, 144430, 157055, 161720, 177892, 222365, 251288, 288860, 314110, 345521, 355784, 408343, 444730, 577720, 628220, 691042, 816686, 889460, 1256440, 1382084, 1633372, 1727605, 1778920, 2041715, 2764168, 3266744, 3455210, 4083430, 4491773, 6910420, 8166860, 8983546, 13820840, 16333720, 17967092, 22458865, 35934184, 44917730, 89835460, 179670920]

約数ペア:

[(1, 179670920), (2, 89835460), (4, 44917730), (5, 35934184), (8, 22458865), (10, 17967092), (11, 16333720), (13, 13820840), (20, 8983546), (22, 8166860), (26, 6910420), (40, 4491773), (44, 4083430), (52, 3455210), (55, 3266744), (65, 2764168), (88, 2041715), (101, 1778920), (104, 1727605), (110, 1633372), (130, 1382084), (143, 1256440), (202, 889460), (220, 816686), (260, 691042), (286, 628220), (311, 577720), (404, 444730), (440, 408343), (505, 355784), (520, 345521), (572, 314110), (622, 288860), (715, 251288), (808, 222365), (1010, 177892), (1111, 161720), (1144, 157055), (1244, 144430), (1313, 136840), (1430, 125644), (1555, 115544), (2020, 88946), (2222, 80860), (2488, 72215), (2626, 68420), (2860, 62822), (3110, 57772), (3421, 52520), (4040, 44473), (4043, 44440), (4444, 40430), (5252, 34210), (5555, 32344), (5720, 31411), (6220, 28886), (6565, 27368), (6842, 26260), (8086, 22220), (8888, 20215), (10504, 17105), (11110, 16172), (12440, 14443), (13130, 13684)]