1221256080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:870

約数の個数: 240

約数和(自身を含む): 4498640640

約数和(自身を除く): 3277384560

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, 271, 330, 360, 396, 440, 495, 528, 542, 569, 660, 720, 792, 813, 880, 990, 1084, 1138, 1320, 1355, 1584, 1626, 1707, 1980, 2168, 2276, 2439, 2640, 2710, 2845, 2981, 3252, 3414, 3960, 4065, 4336, 4552, 4878, 5121, 5420, 5690, 5962, 6259, 6504, 6828, 7920, 8130, 8535, 8943, 9104, 9756, 10242, 10840, 11380, 11924, 12195, 12518, 13008, 13656, 14905, 16260, 17070, 17886, 18777, 19512, 20484, 21680, 22760, 23848, 24390, 25036, 25605, 26829, 27312, 29810, 31295, 32520, 34140, 35772, 37554, 39024, 40968, 44715, 45520, 47696, 48780, 50072, 51210, 53658, 56331, 59620, 62590, 65040, 68280, 71544, 75108, 81936, 89430, 93885, 97560, 100144, 102420, 107316, 112662, 119240, 125180, 134145, 136560, 143088, 150216, 154199, 178860, 187770, 195120, 204840, 214632, 225324, 238480, 250360, 268290, 281655, 300432, 308398, 357720, 375540, 409680, 429264, 450648, 462597, 500720, 536580, 563310, 616796, 715440, 751080, 770995, 901296, 925194, 1073160, 1126620, 1233592, 1387791, 1502160, 1541990, 1696189, 1850388, 2146320, 2253240, 2312985, 2467184, 2775582, 3083980, 3392378, 3700776, 4506480, 4625970, 5088567, 5551164, 6167960, 6784756, 6938955, 7401552, 8480945, 9251940, 10177134, 11102328, 12335920, 13569512, 13877910, 15265701, 16961890, 18503880, 20354268, 22204656, 25442835, 27139024, 27755820, 30531402, 33923780, 37007760, 40708536, 50885670, 55511640, 61062804, 67847560, 76328505, 81417072, 101771340, 111023280, 122125608, 135695120, 152657010, 203542680, 244251216, 305314020, 407085360, 610628040, 1221256080]

約数ペア:

[(1, 1221256080), (2, 610628040), (3, 407085360), (4, 305314020), (5, 244251216), (6, 203542680), (8, 152657010), (9, 135695120), (10, 122125608), (11, 111023280), (12, 101771340), (15, 81417072), (16, 76328505), (18, 67847560), (20, 61062804), (22, 55511640), (24, 50885670), (30, 40708536), (33, 37007760), (36, 33923780), (40, 30531402), (44, 27755820), (45, 27139024), (48, 25442835), (55, 22204656), (60, 20354268), (66, 18503880), (72, 16961890), (80, 15265701), (88, 13877910), (90, 13569512), (99, 12335920), (110, 11102328), (120, 10177134), (132, 9251940), (144, 8480945), (165, 7401552), (176, 6938955), (180, 6784756), (198, 6167960), (220, 5551164), (240, 5088567), (264, 4625970), (271, 4506480), (330, 3700776), (360, 3392378), (396, 3083980), (440, 2775582), (495, 2467184), (528, 2312985), (542, 2253240), (569, 2146320), (660, 1850388), (720, 1696189), (792, 1541990), (813, 1502160), (880, 1387791), (990, 1233592), (1084, 1126620), (1138, 1073160), (1320, 925194), (1355, 901296), (1584, 770995), (1626, 751080), (1707, 715440), (1980, 616796), (2168, 563310), (2276, 536580), (2439, 500720), (2640, 462597), (2710, 450648), (2845, 429264), (2981, 409680), (3252, 375540), (3414, 357720), (3960, 308398), (4065, 300432), (4336, 281655), (4552, 268290), (4878, 250360), (5121, 238480), (5420, 225324), (5690, 214632), (5962, 204840), (6259, 195120), (6504, 187770), (6828, 178860), (7920, 154199), (8130, 150216), (8535, 143088), (8943, 136560), (9104, 134145), (9756, 125180), (10242, 119240), (10840, 112662), (11380, 107316), (11924, 102420), (12195, 100144), (12518, 97560), (13008, 93885), (13656, 89430), (14905, 81936), (16260, 75108), (17070, 71544), (17886, 68280), (18777, 65040), (19512, 62590), (20484, 59620), (21680, 56331), (22760, 53658), (23848, 51210), (24390, 50072), (25036, 48780), (25605, 47696), (26829, 45520), (27312, 44715), (29810, 40968), (31295, 39024), (32520, 37554), (34140, 35772)]