213528060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19447}}^1$

素因数の和:19523

約数の個数: 72

約数和(自身を含む): 658353696

約数和(自身を除く): 444825636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 19447, 38894, 58341, 77788, 97235, 116682, 175023, 194470, 233364, 291705, 350046, 388940, 583410, 700092, 875115, 1166820, 1186267, 1750230, 2372534, 3500460, 3558801, 4745068, 5931335, 7117602, 10676403, 11862670, 14235204, 17794005, 21352806, 23725340, 35588010, 42705612, 53382015, 71176020, 106764030, 213528060]

約数ペア:

[(1, 213528060), (2, 106764030), (3, 71176020), (4, 53382015), (5, 42705612), (6, 35588010), (9, 23725340), (10, 21352806), (12, 17794005), (15, 14235204), (18, 11862670), (20, 10676403), (30, 7117602), (36, 5931335), (45, 4745068), (60, 3558801), (61, 3500460), (90, 2372534), (122, 1750230), (180, 1186267), (183, 1166820), (244, 875115), (305, 700092), (366, 583410), (549, 388940), (610, 350046), (732, 291705), (915, 233364), (1098, 194470), (1220, 175023), (1830, 116682), (2196, 97235), (2745, 77788), (3660, 58341), (5490, 38894), (10980, 19447)]