65807280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1187}}^1$

素因数の和:1224

約数の個数: 240

約数和(自身を含む): 275768064

約数和(自身を除く): 209960784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1187, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2374, 2520, 2640, 2772, 3080, 3465, 3561, 3696, 3960, 4620, 4748, 5040, 5544, 5935, 6160, 6930, 7122, 7920, 8309, 9240, 9496, 10683, 11088, 11870, 13057, 13860, 14244, 16618, 17805, 18480, 18992, 21366, 23740, 24927, 26114, 27720, 28488, 33236, 35610, 39171, 41545, 42732, 47480, 49854, 52228, 53415, 55440, 56976, 65285, 66472, 71220, 74781, 78342, 83090, 85464, 91399, 94960, 99708, 104456, 106830, 117513, 124635, 130570, 132944, 142440, 149562, 156684, 166180, 170928, 182798, 195855, 199416, 208912, 213660, 235026, 249270, 261140, 274197, 284880, 299124, 313368, 332360, 365596, 373905, 391710, 398832, 427320, 456995, 470052, 498540, 522280, 548394, 587565, 598248, 626736, 664720, 731192, 747810, 783420, 822591, 854640, 913990, 940104, 997080, 1044560, 1096788, 1175130, 1196496, 1370985, 1462384, 1495620, 1566840, 1645182, 1827980, 1880208, 1994160, 2193576, 2350260, 2741970, 2991240, 3133680, 3290364, 3655960, 4112955, 4387152, 4700520, 5483940, 5982480, 6580728, 7311920, 8225910, 9401040, 10967880, 13161456, 16451820, 21935760, 32903640, 65807280]

約数ペア:

[(1, 65807280), (2, 32903640), (3, 21935760), (4, 16451820), (5, 13161456), (6, 10967880), (7, 9401040), (8, 8225910), (9, 7311920), (10, 6580728), (11, 5982480), (12, 5483940), (14, 4700520), (15, 4387152), (16, 4112955), (18, 3655960), (20, 3290364), (21, 3133680), (22, 2991240), (24, 2741970), (28, 2350260), (30, 2193576), (33, 1994160), (35, 1880208), (36, 1827980), (40, 1645182), (42, 1566840), (44, 1495620), (45, 1462384), (48, 1370985), (55, 1196496), (56, 1175130), (60, 1096788), (63, 1044560), (66, 997080), (70, 940104), (72, 913990), (77, 854640), (80, 822591), (84, 783420), (88, 747810), (90, 731192), (99, 664720), (105, 626736), (110, 598248), (112, 587565), (120, 548394), (126, 522280), (132, 498540), (140, 470052), (144, 456995), (154, 427320), (165, 398832), (168, 391710), (176, 373905), (180, 365596), (198, 332360), (210, 313368), (220, 299124), (231, 284880), (240, 274197), (252, 261140), (264, 249270), (280, 235026), (308, 213660), (315, 208912), (330, 199416), (336, 195855), (360, 182798), (385, 170928), (396, 166180), (420, 156684), (440, 149562), (462, 142440), (495, 132944), (504, 130570), (528, 124635), (560, 117513), (616, 106830), (630, 104456), (660, 99708), (693, 94960), (720, 91399), (770, 85464), (792, 83090), (840, 78342), (880, 74781), (924, 71220), (990, 66472), (1008, 65285), (1155, 56976), (1187, 55440), (1232, 53415), (1260, 52228), (1320, 49854), (1386, 47480), (1540, 42732), (1584, 41545), (1680, 39171), (1848, 35610), (1980, 33236), (2310, 28488), (2374, 27720), (2520, 26114), (2640, 24927), (2772, 23740), (3080, 21366), (3465, 18992), (3561, 18480), (3696, 17805), (3960, 16618), (4620, 14244), (4748, 13860), (5040, 13057), (5544, 11870), (5935, 11088), (6160, 10683), (6930, 9496), (7122, 9240), (7920, 8309)]