28642240

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 112

約数和(自身を含む): 76078080

約数和(自身を除く): 47435840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 103, 110, 158, 160, 176, 206, 220, 316, 320, 352, 395, 412, 440, 515, 632, 704, 790, 824, 869, 880, 1030, 1133, 1264, 1580, 1648, 1738, 1760, 2060, 2266, 2528, 3160, 3296, 3476, 3520, 4120, 4345, 4532, 5056, 5665, 6320, 6592, 6952, 8137, 8240, 8690, 9064, 11330, 12640, 13904, 16274, 16480, 17380, 18128, 22660, 25280, 27808, 32548, 32960, 34760, 36256, 40685, 45320, 55616, 65096, 69520, 72512, 81370, 89507, 90640, 130192, 139040, 162740, 179014, 181280, 260384, 278080, 325480, 358028, 362560, 447535, 520768, 650960, 716056, 895070, 1301920, 1432112, 1790140, 2603840, 2864224, 3580280, 5728448, 7160560, 14321120, 28642240]

約数ペア:

[(1, 28642240), (2, 14321120), (4, 7160560), (5, 5728448), (8, 3580280), (10, 2864224), (11, 2603840), (16, 1790140), (20, 1432112), (22, 1301920), (32, 895070), (40, 716056), (44, 650960), (55, 520768), (64, 447535), (79, 362560), (80, 358028), (88, 325480), (103, 278080), (110, 260384), (158, 181280), (160, 179014), (176, 162740), (206, 139040), (220, 130192), (316, 90640), (320, 89507), (352, 81370), (395, 72512), (412, 69520), (440, 65096), (515, 55616), (632, 45320), (704, 40685), (790, 36256), (824, 34760), (869, 32960), (880, 32548), (1030, 27808), (1133, 25280), (1264, 22660), (1580, 18128), (1648, 17380), (1738, 16480), (1760, 16274), (2060, 13904), (2266, 12640), (2528, 11330), (3160, 9064), (3296, 8690), (3476, 8240), (3520, 8137), (4120, 6952), (4345, 6592), (4532, 6320), (5056, 5665)]