61557840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{28499}}^1$

素因数の和:28521

約数の個数: 80

約数和(自身を含む): 212040000

約数和(自身を除く): 150482160

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, 28499, 56998, 85497, 113996, 142495, 170994, 227992, 256491, 284990, 341988, 427485, 455984, 512982, 569980, 683976, 769473, 854970, 1025964, 1139960, 1282455, 1367952, 1538946, 1709940, 2051928, 2279920, 2564910, 3077892, 3419880, 3847365, 4103856, 5129820, 6155784, 6839760, 7694730, 10259640, 12311568, 15389460, 20519280, 30778920, 61557840]

約数ペア:

[(1, 61557840), (2, 30778920), (3, 20519280), (4, 15389460), (5, 12311568), (6, 10259640), (8, 7694730), (9, 6839760), (10, 6155784), (12, 5129820), (15, 4103856), (16, 3847365), (18, 3419880), (20, 3077892), (24, 2564910), (27, 2279920), (30, 2051928), (36, 1709940), (40, 1538946), (45, 1367952), (48, 1282455), (54, 1139960), (60, 1025964), (72, 854970), (80, 769473), (90, 683976), (108, 569980), (120, 512982), (135, 455984), (144, 427485), (180, 341988), (216, 284990), (240, 256491), (270, 227992), (360, 170994), (432, 142495), (540, 113996), (720, 85497), (1080, 56998), (2160, 28499)]