81128520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6829}}^1$

素因数の和:6860

約数の個数: 128

約数和(自身を含む): 295056000

約数和(自身を除く): 213927480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2970, 3960, 5940, 6829, 11880, 13658, 20487, 27316, 34145, 40974, 54632, 61461, 68290, 75119, 81948, 102435, 122922, 136580, 150238, 163896, 184383, 204870, 225357, 245844, 273160, 300476, 307305, 368766, 375595, 409740, 450714, 491688, 600952, 614610, 676071, 737532, 751190, 819480, 901428, 921915, 1126785, 1229220, 1352142, 1475064, 1502380, 1802856, 1843830, 2028213, 2253570, 2458440, 2704284, 3004760, 3380355, 3687660, 4056426, 4507140, 5408568, 6760710, 7375320, 8112852, 9014280, 10141065, 13521420, 16225704, 20282130, 27042840, 40564260, 81128520]

約数ペア:

[(1, 81128520), (2, 40564260), (3, 27042840), (4, 20282130), (5, 16225704), (6, 13521420), (8, 10141065), (9, 9014280), (10, 8112852), (11, 7375320), (12, 6760710), (15, 5408568), (18, 4507140), (20, 4056426), (22, 3687660), (24, 3380355), (27, 3004760), (30, 2704284), (33, 2458440), (36, 2253570), (40, 2028213), (44, 1843830), (45, 1802856), (54, 1502380), (55, 1475064), (60, 1352142), (66, 1229220), (72, 1126785), (88, 921915), (90, 901428), (99, 819480), (108, 751190), (110, 737532), (120, 676071), (132, 614610), (135, 600952), (165, 491688), (180, 450714), (198, 409740), (216, 375595), (220, 368766), (264, 307305), (270, 300476), (297, 273160), (330, 245844), (360, 225357), (396, 204870), (440, 184383), (495, 163896), (540, 150238), (594, 136580), (660, 122922), (792, 102435), (990, 81948), (1080, 75119), (1188, 68290), (1320, 61461), (1485, 54632), (1980, 40974), (2376, 34145), (2970, 27316), (3960, 20487), (5940, 13658), (6829, 11880)]