72517120

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2215

約数の個数: 80

約数和(自身を含む): 187331760

約数和(自身を除く): 114814640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2179, 2560, 3328, 4160, 4358, 6656, 8320, 8716, 10895, 16640, 17432, 21790, 28327, 33280, 34864, 43580, 56654, 69728, 87160, 113308, 139456, 141635, 174320, 226616, 278912, 283270, 348640, 453232, 557824, 566540, 697280, 906464, 1115648, 1133080, 1394560, 1812928, 2266160, 2789120, 3625856, 4532320, 5578240, 7251712, 9064640, 14503424, 18129280, 36258560, 72517120]

約数ペア:

[(1, 72517120), (2, 36258560), (4, 18129280), (5, 14503424), (8, 9064640), (10, 7251712), (13, 5578240), (16, 4532320), (20, 3625856), (26, 2789120), (32, 2266160), (40, 1812928), (52, 1394560), (64, 1133080), (65, 1115648), (80, 906464), (104, 697280), (128, 566540), (130, 557824), (160, 453232), (208, 348640), (256, 283270), (260, 278912), (320, 226616), (416, 174320), (512, 141635), (520, 139456), (640, 113308), (832, 87160), (1040, 69728), (1280, 56654), (1664, 43580), (2080, 34864), (2179, 33280), (2560, 28327), (3328, 21790), (4160, 17432), (4358, 16640), (6656, 10895), (8320, 8716)]