81779760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37861}}^1$

素因数の和:37883

約数の個数: 80

約数和(自身を含む): 281693280

約数和(自身を除く): 199913520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 37861, 75722, 113583, 151444, 189305, 227166, 302888, 340749, 378610, 454332, 567915, 605776, 681498, 757220, 908664, 1022247, 1135830, 1362996, 1514440, 1703745, 1817328, 2044494, 2271660, 2725992, 3028880, 3407490, 4088988, 4543320, 5111235, 5451984, 6814980, 8177976, 9086640, 10222470, 13629960, 16355952, 20444940, 27259920, 40889880, 81779760]

約数ペア:

[(1, 81779760), (2, 40889880), (3, 27259920), (4, 20444940), (5, 16355952), (6, 13629960), (8, 10222470), (9, 9086640), (10, 8177976), (12, 6814980), (15, 5451984), (16, 5111235), (18, 4543320), (20, 4088988), (24, 3407490), (27, 3028880), (30, 2725992), (36, 2271660), (40, 2044494), (45, 1817328), (48, 1703745), (54, 1514440), (60, 1362996), (72, 1135830), (80, 1022247), (90, 908664), (108, 757220), (120, 681498), (135, 605776), (144, 567915), (180, 454332), (216, 378610), (240, 340749), (270, 302888), (360, 227166), (432, 189305), (540, 151444), (720, 113583), (1080, 75722), (2160, 37861)]