123781680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15629}}^1$

素因数の和:15659

約数の個数: 120

約数和(自身を含む): 453520080

約数和(自身を除く): 329738400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 15629, 31258, 46887, 62516, 78145, 93774, 125032, 140661, 156290, 171919, 187548, 234435, 250064, 281322, 312580, 343838, 375096, 468870, 515757, 562644, 625160, 687676, 703305, 750192, 859595, 937740, 1031514, 1125288, 1250320, 1375352, 1406610, 1547271, 1719190, 1875480, 2063028, 2250576, 2578785, 2750704, 2813220, 3094542, 3438380, 3750960, 4126056, 5157570, 5626440, 6189084, 6876760, 7736355, 8252112, 10315140, 11252880, 12378168, 13753520, 15472710, 20630280, 24756336, 30945420, 41260560, 61890840, 123781680]

約数ペア:

[(1, 123781680), (2, 61890840), (3, 41260560), (4, 30945420), (5, 24756336), (6, 20630280), (8, 15472710), (9, 13753520), (10, 12378168), (11, 11252880), (12, 10315140), (15, 8252112), (16, 7736355), (18, 6876760), (20, 6189084), (22, 5626440), (24, 5157570), (30, 4126056), (33, 3750960), (36, 3438380), (40, 3094542), (44, 2813220), (45, 2750704), (48, 2578785), (55, 2250576), (60, 2063028), (66, 1875480), (72, 1719190), (80, 1547271), (88, 1406610), (90, 1375352), (99, 1250320), (110, 1125288), (120, 1031514), (132, 937740), (144, 859595), (165, 750192), (176, 703305), (180, 687676), (198, 625160), (220, 562644), (240, 515757), (264, 468870), (330, 375096), (360, 343838), (396, 312580), (440, 281322), (495, 250064), (528, 234435), (660, 187548), (720, 171919), (792, 156290), (880, 140661), (990, 125032), (1320, 93774), (1584, 78145), (1980, 62516), (2640, 46887), (3960, 31258), (7920, 15629)]