1221740640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4021}}^1$

素因数の和:4253

約数の個数: 144

約数和(自身を含む): 4189990896

約数和(自身を除く): 2968250256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 211, 240, 288, 360, 422, 480, 633, 720, 844, 1055, 1266, 1440, 1688, 1899, 2110, 2532, 3165, 3376, 3798, 4021, 4220, 5064, 6330, 6752, 7596, 8042, 8440, 9495, 10128, 12063, 12660, 15192, 16084, 16880, 18990, 20105, 20256, 24126, 25320, 30384, 32168, 33760, 36189, 37980, 40210, 48252, 50640, 60315, 60768, 64336, 72378, 75960, 80420, 96504, 101280, 120630, 128672, 144756, 151920, 160840, 180945, 193008, 241260, 289512, 303840, 321680, 361890, 386016, 482520, 579024, 643360, 723780, 848431, 965040, 1158048, 1447560, 1696862, 1930080, 2545293, 2895120, 3393724, 4242155, 5090586, 5790240, 6787448, 7635879, 8484310, 10181172, 12726465, 13574896, 15271758, 16968620, 20362344, 25452930, 27149792, 30543516, 33937240, 38179395, 40724688, 50905860, 61087032, 67874480, 76358790, 81449376, 101811720, 122174064, 135748960, 152717580, 203623440, 244348128, 305435160, 407246880, 610870320, 1221740640]

約数ペア:

[(1, 1221740640), (2, 610870320), (3, 407246880), (4, 305435160), (5, 244348128), (6, 203623440), (8, 152717580), (9, 135748960), (10, 122174064), (12, 101811720), (15, 81449376), (16, 76358790), (18, 67874480), (20, 61087032), (24, 50905860), (30, 40724688), (32, 38179395), (36, 33937240), (40, 30543516), (45, 27149792), (48, 25452930), (60, 20362344), (72, 16968620), (80, 15271758), (90, 13574896), (96, 12726465), (120, 10181172), (144, 8484310), (160, 7635879), (180, 6787448), (211, 5790240), (240, 5090586), (288, 4242155), (360, 3393724), (422, 2895120), (480, 2545293), (633, 1930080), (720, 1696862), (844, 1447560), (1055, 1158048), (1266, 965040), (1440, 848431), (1688, 723780), (1899, 643360), (2110, 579024), (2532, 482520), (3165, 386016), (3376, 361890), (3798, 321680), (4021, 303840), (4220, 289512), (5064, 241260), (6330, 193008), (6752, 180945), (7596, 160840), (8042, 151920), (8440, 144756), (9495, 128672), (10128, 120630), (12063, 101280), (12660, 96504), (15192, 80420), (16084, 75960), (16880, 72378), (18990, 64336), (20105, 60768), (20256, 60315), (24126, 50640), (25320, 48252), (30384, 40210), (32168, 37980), (33760, 36189)]