1520806880

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^2\times {\mathrm{1523}}^1$

素因数の和:1696

約数の個数: 72

約数和(自身を含む): 3641351112

約数和(自身を除く): 2120544232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1523, 1580, 2528, 3046, 3160, 6092, 6241, 6320, 7615, 12184, 12482, 12640, 15230, 24368, 24964, 30460, 31205, 48736, 49928, 60920, 62410, 99856, 120317, 121840, 124820, 199712, 240634, 243680, 249640, 481268, 499280, 601585, 962536, 998560, 1203170, 1925072, 2406340, 3850144, 4812680, 9505043, 9625360, 19010086, 19250720, 38020172, 47525215, 76040344, 95050430, 152080688, 190100860, 304161376, 380201720, 760403440, 1520806880]

約数ペア:

[(1, 1520806880), (2, 760403440), (4, 380201720), (5, 304161376), (8, 190100860), (10, 152080688), (16, 95050430), (20, 76040344), (32, 47525215), (40, 38020172), (79, 19250720), (80, 19010086), (158, 9625360), (160, 9505043), (316, 4812680), (395, 3850144), (632, 2406340), (790, 1925072), (1264, 1203170), (1523, 998560), (1580, 962536), (2528, 601585), (3046, 499280), (3160, 481268), (6092, 249640), (6241, 243680), (6320, 240634), (7615, 199712), (12184, 124820), (12482, 121840), (12640, 120317), (15230, 99856), (24368, 62410), (24964, 60920), (30460, 49928), (31205, 48736)]