65644320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{2791}}^1$

素因数の和:2823

約数の個数: 144

約数和(自身を含む): 240625728

約数和(自身を除く): 174981408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2791, 2940, 3360, 3920, 4704, 5582, 5880, 7840, 8373, 11164, 11760, 13955, 16746, 19537, 22328, 23520, 27910, 33492, 39074, 41865, 44656, 55820, 58611, 66984, 78148, 83730, 89312, 97685, 111640, 117222, 133968, 136759, 156296, 167460, 195370, 223280, 234444, 267936, 273518, 293055, 312592, 334920, 390740, 410277, 446560, 468888, 547036, 586110, 625184, 669840, 683795, 781480, 820554, 937776, 1094072, 1172220, 1339680, 1367590, 1562960, 1641108, 1875552, 2051385, 2188144, 2344440, 2735180, 3125920, 3282216, 4102770, 4376288, 4688880, 5470360, 6564432, 8205540, 9377760, 10940720, 13128864, 16411080, 21881440, 32822160, 65644320]

約数ペア:

[(1, 65644320), (2, 32822160), (3, 21881440), (4, 16411080), (5, 13128864), (6, 10940720), (7, 9377760), (8, 8205540), (10, 6564432), (12, 5470360), (14, 4688880), (15, 4376288), (16, 4102770), (20, 3282216), (21, 3125920), (24, 2735180), (28, 2344440), (30, 2188144), (32, 2051385), (35, 1875552), (40, 1641108), (42, 1562960), (48, 1367590), (49, 1339680), (56, 1172220), (60, 1094072), (70, 937776), (80, 820554), (84, 781480), (96, 683795), (98, 669840), (105, 625184), (112, 586110), (120, 547036), (140, 468888), (147, 446560), (160, 410277), (168, 390740), (196, 334920), (210, 312592), (224, 293055), (240, 273518), (245, 267936), (280, 234444), (294, 223280), (336, 195370), (392, 167460), (420, 156296), (480, 136759), (490, 133968), (560, 117222), (588, 111640), (672, 97685), (735, 89312), (784, 83730), (840, 78148), (980, 66984), (1120, 58611), (1176, 55820), (1470, 44656), (1568, 41865), (1680, 39074), (1960, 33492), (2352, 27910), (2791, 23520), (2940, 22328), (3360, 19537), (3920, 16746), (4704, 13955), (5582, 11760), (5880, 11164), (7840, 8373)]