80607280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 203424480

約数和(自身を除く): 122817200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 179, 208, 260, 358, 433, 520, 716, 866, 895, 1040, 1432, 1732, 1790, 2165, 2327, 2864, 3464, 3580, 4330, 4654, 5629, 6928, 7160, 8660, 9308, 11258, 11635, 14320, 17320, 18616, 22516, 23270, 28145, 34640, 37232, 45032, 46540, 56290, 77507, 90064, 93080, 112580, 155014, 186160, 225160, 310028, 387535, 450320, 620056, 775070, 1007591, 1240112, 1550140, 2015182, 3100280, 4030364, 5037955, 6200560, 8060728, 10075910, 16121456, 20151820, 40303640, 80607280]

約数ペア:

[(1, 80607280), (2, 40303640), (4, 20151820), (5, 16121456), (8, 10075910), (10, 8060728), (13, 6200560), (16, 5037955), (20, 4030364), (26, 3100280), (40, 2015182), (52, 1550140), (65, 1240112), (80, 1007591), (104, 775070), (130, 620056), (179, 450320), (208, 387535), (260, 310028), (358, 225160), (433, 186160), (520, 155014), (716, 112580), (866, 93080), (895, 90064), (1040, 77507), (1432, 56290), (1732, 46540), (1790, 45032), (2165, 37232), (2327, 34640), (2864, 28145), (3464, 23270), (3580, 22516), (4330, 18616), (4654, 17320), (5629, 14320), (6928, 11635), (7160, 11258), (8660, 9308)]