121543520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 144

約数和(自身を含む): 343874160

約数和(自身を除く): 222330640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 160, 185, 196, 224, 245, 259, 280, 296, 370, 392, 419, 490, 518, 560, 592, 740, 784, 838, 980, 1036, 1120, 1184, 1295, 1480, 1568, 1676, 1813, 1960, 2072, 2095, 2590, 2933, 2960, 3352, 3626, 3920, 4144, 4190, 5180, 5866, 5920, 6704, 7252, 7840, 8288, 8380, 9065, 10360, 11732, 13408, 14504, 14665, 15503, 16760, 18130, 20531, 20720, 23464, 29008, 29330, 31006, 33520, 36260, 41062, 41440, 46928, 58016, 58660, 62012, 67040, 72520, 77515, 82124, 93856, 102655, 108521, 117320, 124024, 145040, 155030, 164248, 205310, 217042, 234640, 248048, 290080, 310060, 328496, 410620, 434084, 469280, 496096, 542605, 620120, 656992, 759647, 821240, 868168, 1085210, 1240240, 1519294, 1642480, 1736336, 2170420, 2480480, 3038588, 3284960, 3472672, 3798235, 4340840, 6077176, 7596470, 8681680, 12154352, 15192940, 17363360, 24308704, 30385880, 60771760, 121543520]

約数ペア:

[(1, 121543520), (2, 60771760), (4, 30385880), (5, 24308704), (7, 17363360), (8, 15192940), (10, 12154352), (14, 8681680), (16, 7596470), (20, 6077176), (28, 4340840), (32, 3798235), (35, 3472672), (37, 3284960), (40, 3038588), (49, 2480480), (56, 2170420), (70, 1736336), (74, 1642480), (80, 1519294), (98, 1240240), (112, 1085210), (140, 868168), (148, 821240), (160, 759647), (185, 656992), (196, 620120), (224, 542605), (245, 496096), (259, 469280), (280, 434084), (296, 410620), (370, 328496), (392, 310060), (419, 290080), (490, 248048), (518, 234640), (560, 217042), (592, 205310), (740, 164248), (784, 155030), (838, 145040), (980, 124024), (1036, 117320), (1120, 108521), (1184, 102655), (1295, 93856), (1480, 82124), (1568, 77515), (1676, 72520), (1813, 67040), (1960, 62012), (2072, 58660), (2095, 58016), (2590, 46928), (2933, 41440), (2960, 41062), (3352, 36260), (3626, 33520), (3920, 31006), (4144, 29330), (4190, 29008), (5180, 23464), (5866, 20720), (5920, 20531), (6704, 18130), (7252, 16760), (7840, 15503), (8288, 14665), (8380, 14504), (9065, 13408), (10360, 11732)]