81339408

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:677

約数の個数: 120

約数和(自身を含む): 243734400

約数和(自身を除く): 162394992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 41, 46, 48, 69, 72, 82, 92, 123, 138, 144, 164, 184, 207, 246, 276, 328, 368, 369, 414, 492, 552, 599, 656, 738, 828, 943, 984, 1104, 1198, 1476, 1656, 1797, 1886, 1968, 2396, 2829, 2952, 3312, 3594, 3772, 4792, 5391, 5658, 5904, 7188, 7544, 8487, 9584, 10782, 11316, 13777, 14376, 15088, 16974, 21564, 22632, 24559, 27554, 28752, 33948, 41331, 43128, 45264, 49118, 55108, 67896, 73677, 82662, 86256, 98236, 110216, 123993, 135792, 147354, 165324, 196472, 220432, 221031, 247986, 294708, 330648, 392944, 442062, 495972, 564857, 589416, 661296, 884124, 991944, 1129714, 1178832, 1694571, 1768248, 1983888, 2259428, 3389142, 3536496, 4518856, 5083713, 6778284, 9037712, 10167426, 13556568, 20334852, 27113136, 40669704, 81339408]

約数ペア:

[(1, 81339408), (2, 40669704), (3, 27113136), (4, 20334852), (6, 13556568), (8, 10167426), (9, 9037712), (12, 6778284), (16, 5083713), (18, 4518856), (23, 3536496), (24, 3389142), (36, 2259428), (41, 1983888), (46, 1768248), (48, 1694571), (69, 1178832), (72, 1129714), (82, 991944), (92, 884124), (123, 661296), (138, 589416), (144, 564857), (164, 495972), (184, 442062), (207, 392944), (246, 330648), (276, 294708), (328, 247986), (368, 221031), (369, 220432), (414, 196472), (492, 165324), (552, 147354), (599, 135792), (656, 123993), (738, 110216), (828, 98236), (943, 86256), (984, 82662), (1104, 73677), (1198, 67896), (1476, 55108), (1656, 49118), (1797, 45264), (1886, 43128), (1968, 41331), (2396, 33948), (2829, 28752), (2952, 27554), (3312, 24559), (3594, 22632), (3772, 21564), (4792, 16974), (5391, 15088), (5658, 14376), (5904, 13777), (7188, 11316), (7544, 10782), (8487, 9584)]