261205560

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1$

素因数の和:393

約数の個数: 384

約数和(自身を含む): 1100736000

約数和(自身を除く): 839530440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 81, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 162, 165, 168, 180, 189, 198, 210, 216, 220, 231, 243, 252, 264, 270, 280, 297, 308, 315, 324, 330, 349, 360, 378, 385, 396, 405, 420, 440, 462, 486, 495, 504, 540, 567, 594, 616, 630, 648, 660, 693, 698, 756, 770, 792, 810, 840, 891, 924, 945, 972, 990, 1047, 1080, 1134, 1155, 1188, 1215, 1260, 1320, 1386, 1396, 1485, 1512, 1540, 1620, 1701, 1745, 1782, 1848, 1890, 1944, 1980, 2079, 2094, 2268, 2310, 2376, 2430, 2443, 2520, 2673, 2772, 2792, 2835, 2970, 3080, 3141, 3240, 3402, 3465, 3490, 3564, 3780, 3839, 3960, 4158, 4188, 4455, 4536, 4620, 4860, 4886, 5235, 5346, 5544, 5670, 5940, 6237, 6282, 6804, 6930, 6980, 7128, 7329, 7560, 7678, 8316, 8376, 8505, 8910, 9240, 9423, 9720, 9772, 10395, 10470, 10692, 11340, 11517, 11880, 12215, 12474, 12564, 13365, 13608, 13860, 13960, 14658, 15356, 15705, 16632, 17010, 17820, 18711, 18846, 19195, 19544, 20790, 20940, 21384, 21987, 22680, 23034, 24430, 24948, 25128, 26730, 26873, 27720, 28269, 29316, 30712, 31185, 31410, 34020, 34551, 35640, 36645, 37422, 37692, 38390, 41580, 41880, 43974, 46068, 47115, 48860, 49896, 53460, 53746, 56538, 57585, 58632, 62370, 62820, 65961, 68040, 69102, 73290, 74844, 75384, 76780, 80619, 83160, 84807, 87948, 92136, 93555, 94230, 97720, 103653, 106920, 107492, 109935, 113076, 115170, 124740, 125640, 131922, 134365, 138204, 141345, 146580, 149688, 153560, 161238, 169614, 172755, 175896, 187110, 188460, 197883, 207306, 214984, 219870, 226152, 230340, 241857, 249480, 263844, 268730, 276408, 282690, 293160, 310959, 322476, 329805, 339228, 345510, 374220, 376920, 395766, 403095, 414612, 424035, 439740, 460680, 483714, 518265, 527688, 537460, 565380, 593649, 621918, 644952, 659610, 678456, 691020, 725571, 748440, 791532, 806190, 829224, 848070, 879480, 932877, 967428, 989415, 1036530, 1074920, 1130760, 1187298, 1209285, 1243836, 1319220, 1382040, 1451142, 1554795, 1583064, 1612380, 1696140, 1865754, 1934856, 1978830, 2073060, 2176713, 2374596, 2418570, 2487672, 2638440, 2902284, 2968245, 3109590, 3224760, 3392280, 3627855, 3731508, 3957660, 4146120, 4353426, 4664385, 4749192, 4837140, 5804568, 5936490, 6219180, 6530139, 7255710, 7463016, 7915320, 8706852, 9328770, 9674280, 10883565, 11872980, 12438360, 13060278, 14511420, 17413704, 18657540, 21767130, 23745960, 26120556, 29022840, 32650695, 37315080, 43534260, 52241112, 65301390, 87068520, 130602780, 261205560]

約数ペア:

[(1, 261205560), (2, 130602780), (3, 87068520), (4, 65301390), (5, 52241112), (6, 43534260), (7, 37315080), (8, 32650695), (9, 29022840), (10, 26120556), (11, 23745960), (12, 21767130), (14, 18657540), (15, 17413704), (18, 14511420), (20, 13060278), (21, 12438360), (22, 11872980), (24, 10883565), (27, 9674280), (28, 9328770), (30, 8706852), (33, 7915320), (35, 7463016), (36, 7255710), (40, 6530139), (42, 6219180), (44, 5936490), (45, 5804568), (54, 4837140), (55, 4749192), (56, 4664385), (60, 4353426), (63, 4146120), (66, 3957660), (70, 3731508), (72, 3627855), (77, 3392280), (81, 3224760), (84, 3109590), (88, 2968245), (90, 2902284), (99, 2638440), (105, 2487672), (108, 2418570), (110, 2374596), (120, 2176713), (126, 2073060), (132, 1978830), (135, 1934856), (140, 1865754), (154, 1696140), (162, 1612380), (165, 1583064), (168, 1554795), (180, 1451142), (189, 1382040), (198, 1319220), (210, 1243836), (216, 1209285), (220, 1187298), (231, 1130760), (243, 1074920), (252, 1036530), (264, 989415), (270, 967428), (280, 932877), (297, 879480), (308, 848070), (315, 829224), (324, 806190), (330, 791532), (349, 748440), (360, 725571), (378, 691020), (385, 678456), (396, 659610), (405, 644952), (420, 621918), (440, 593649), (462, 565380), (486, 537460), (495, 527688), (504, 518265), (540, 483714), (567, 460680), (594, 439740), (616, 424035), (630, 414612), (648, 403095), (660, 395766), (693, 376920), (698, 374220), (756, 345510), (770, 339228), (792, 329805), (810, 322476), (840, 310959), (891, 293160), (924, 282690), (945, 276408), (972, 268730), (990, 263844), (1047, 249480), (1080, 241857), (1134, 230340), (1155, 226152), (1188, 219870), (1215, 214984), (1260, 207306), (1320, 197883), (1386, 188460), (1396, 187110), (1485, 175896), (1512, 172755), (1540, 169614), (1620, 161238), (1701, 153560), (1745, 149688), (1782, 146580), (1848, 141345), (1890, 138204), (1944, 134365), (1980, 131922), (2079, 125640), (2094, 124740), (2268, 115170), (2310, 113076), (2376, 109935), (2430, 107492), (2443, 106920), (2520, 103653), (2673, 97720), (2772, 94230), (2792, 93555), (2835, 92136), (2970, 87948), (3080, 84807), (3141, 83160), (3240, 80619), (3402, 76780), (3465, 75384), (3490, 74844), (3564, 73290), (3780, 69102), (3839, 68040), (3960, 65961), (4158, 62820), (4188, 62370), (4455, 58632), (4536, 57585), (4620, 56538), (4860, 53746), (4886, 53460), (5235, 49896), (5346, 48860), (5544, 47115), (5670, 46068), (5940, 43974), (6237, 41880), (6282, 41580), (6804, 38390), (6930, 37692), (6980, 37422), (7128, 36645), (7329, 35640), (7560, 34551), (7678, 34020), (8316, 31410), (8376, 31185), (8505, 30712), (8910, 29316), (9240, 28269), (9423, 27720), (9720, 26873), (9772, 26730), (10395, 25128), (10470, 24948), (10692, 24430), (11340, 23034), (11517, 22680), (11880, 21987), (12215, 21384), (12474, 20940), (12564, 20790), (13365, 19544), (13608, 19195), (13860, 18846), (13960, 18711), (14658, 17820), (15356, 17010), (15705, 16632)]