215183120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:712

約数の個数: 80

約数和(自身を含む): 518508480

約数和(自身を除く): 303325360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 139, 148, 185, 278, 296, 370, 523, 556, 592, 695, 740, 1046, 1112, 1390, 1480, 2092, 2224, 2615, 2780, 2960, 4184, 5143, 5230, 5560, 8368, 10286, 10460, 11120, 19351, 20572, 20920, 25715, 38702, 41144, 41840, 51430, 72697, 77404, 82288, 96755, 102860, 145394, 154808, 193510, 205720, 290788, 309616, 363485, 387020, 411440, 581576, 726970, 774040, 1163152, 1453940, 1548080, 2689789, 2907880, 5379578, 5815760, 10759156, 13448945, 21518312, 26897890, 43036624, 53795780, 107591560, 215183120]

約数ペア:

[(1, 215183120), (2, 107591560), (4, 53795780), (5, 43036624), (8, 26897890), (10, 21518312), (16, 13448945), (20, 10759156), (37, 5815760), (40, 5379578), (74, 2907880), (80, 2689789), (139, 1548080), (148, 1453940), (185, 1163152), (278, 774040), (296, 726970), (370, 581576), (523, 411440), (556, 387020), (592, 363485), (695, 309616), (740, 290788), (1046, 205720), (1112, 193510), (1390, 154808), (1480, 145394), (2092, 102860), (2224, 96755), (2615, 82288), (2780, 77404), (2960, 72697), (4184, 51430), (5143, 41840), (5230, 41144), (5560, 38702), (8368, 25715), (10286, 20920), (10460, 20572), (11120, 19351)]