90803280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19913}}^1$

素因数の和:19948

約数の個数: 80

約数和(自身を含む): 296320320

約数和(自身を除く): 205517040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 19913, 39826, 59739, 79652, 99565, 119478, 159304, 199130, 238956, 298695, 318608, 378347, 398260, 477912, 597390, 756694, 796520, 955824, 1135041, 1194780, 1513388, 1593040, 1891735, 2270082, 2389560, 3026776, 3783470, 4540164, 4779120, 5675205, 6053552, 7566940, 9080328, 11350410, 15133880, 18160656, 22700820, 30267760, 45401640, 90803280]

約数ペア:

[(1, 90803280), (2, 45401640), (3, 30267760), (4, 22700820), (5, 18160656), (6, 15133880), (8, 11350410), (10, 9080328), (12, 7566940), (15, 6053552), (16, 5675205), (19, 4779120), (20, 4540164), (24, 3783470), (30, 3026776), (38, 2389560), (40, 2270082), (48, 1891735), (57, 1593040), (60, 1513388), (76, 1194780), (80, 1135041), (95, 955824), (114, 796520), (120, 756694), (152, 597390), (190, 477912), (228, 398260), (240, 378347), (285, 318608), (304, 298695), (380, 238956), (456, 199130), (570, 159304), (760, 119478), (912, 99565), (1140, 79652), (1520, 59739), (2280, 39826), (4560, 19913)]