80335880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 204871680

約数和(自身を除く): 124535800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 37, 40, 62, 68, 74, 85, 103, 124, 136, 148, 155, 170, 185, 206, 248, 296, 310, 340, 370, 412, 515, 527, 620, 629, 680, 740, 824, 1030, 1054, 1147, 1240, 1258, 1480, 1751, 2060, 2108, 2294, 2516, 2635, 3145, 3193, 3502, 3811, 4120, 4216, 4588, 5032, 5270, 5735, 6290, 6386, 7004, 7622, 8755, 9176, 10540, 11470, 12580, 12772, 14008, 15244, 15965, 17510, 19055, 19499, 21080, 22940, 25160, 25544, 30488, 31930, 35020, 38110, 38998, 45880, 54281, 63860, 64787, 70040, 76220, 77996, 97495, 108562, 118141, 127720, 129574, 152440, 155992, 194990, 217124, 236282, 259148, 271405, 323935, 389980, 434248, 472564, 518296, 542810, 590705, 647870, 779960, 945128, 1085620, 1181410, 1295740, 2008397, 2171240, 2362820, 2591480, 4016794, 4725640, 8033588, 10041985, 16067176, 20083970, 40167940, 80335880]

約数ペア:

[(1, 80335880), (2, 40167940), (4, 20083970), (5, 16067176), (8, 10041985), (10, 8033588), (17, 4725640), (20, 4016794), (31, 2591480), (34, 2362820), (37, 2171240), (40, 2008397), (62, 1295740), (68, 1181410), (74, 1085620), (85, 945128), (103, 779960), (124, 647870), (136, 590705), (148, 542810), (155, 518296), (170, 472564), (185, 434248), (206, 389980), (248, 323935), (296, 271405), (310, 259148), (340, 236282), (370, 217124), (412, 194990), (515, 155992), (527, 152440), (620, 129574), (629, 127720), (680, 118141), (740, 108562), (824, 97495), (1030, 77996), (1054, 76220), (1147, 70040), (1240, 64787), (1258, 63860), (1480, 54281), (1751, 45880), (2060, 38998), (2108, 38110), (2294, 35020), (2516, 31930), (2635, 30488), (3145, 25544), (3193, 25160), (3502, 22940), (3811, 21080), (4120, 19499), (4216, 19055), (4588, 17510), (5032, 15965), (5270, 15244), (5735, 14008), (6290, 12772), (6386, 12580), (7004, 11470), (7622, 10540), (8755, 9176)]