161214560

素因数分解:

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

素因数の和:640

約数の個数: 96

約数和(自身を含む): 413411040

約数和(自身を除く): 252196480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 179, 208, 260, 358, 416, 433, 520, 716, 866, 895, 1040, 1432, 1732, 1790, 2080, 2165, 2327, 2864, 3464, 3580, 4330, 4654, 5629, 5728, 6928, 7160, 8660, 9308, 11258, 11635, 13856, 14320, 17320, 18616, 22516, 23270, 28145, 28640, 34640, 37232, 45032, 46540, 56290, 69280, 74464, 77507, 90064, 93080, 112580, 155014, 180128, 186160, 225160, 310028, 372320, 387535, 450320, 620056, 775070, 900640, 1007591, 1240112, 1550140, 2015182, 2480224, 3100280, 4030364, 5037955, 6200560, 8060728, 10075910, 12401120, 16121456, 20151820, 32242912, 40303640, 80607280, 161214560]

約数ペア:

[(1, 161214560), (2, 80607280), (4, 40303640), (5, 32242912), (8, 20151820), (10, 16121456), (13, 12401120), (16, 10075910), (20, 8060728), (26, 6200560), (32, 5037955), (40, 4030364), (52, 3100280), (65, 2480224), (80, 2015182), (104, 1550140), (130, 1240112), (160, 1007591), (179, 900640), (208, 775070), (260, 620056), (358, 450320), (416, 387535), (433, 372320), (520, 310028), (716, 225160), (866, 186160), (895, 180128), (1040, 155014), (1432, 112580), (1732, 93080), (1790, 90064), (2080, 77507), (2165, 74464), (2327, 69280), (2864, 56290), (3464, 46540), (3580, 45032), (4330, 37232), (4654, 34640), (5629, 28640), (5728, 28145), (6928, 23270), (7160, 22516), (8660, 18616), (9308, 17320), (11258, 14320), (11635, 13856)]