1620396

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 4542720

約数和(自身を除く): 2922324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 103, 114, 138, 171, 206, 207, 228, 276, 309, 342, 412, 414, 437, 618, 684, 828, 874, 927, 1236, 1311, 1748, 1854, 1957, 2369, 2622, 3708, 3914, 3933, 4738, 5244, 5871, 7107, 7828, 7866, 9476, 11742, 14214, 15732, 17613, 21321, 23484, 28428, 35226, 42642, 45011, 70452, 85284, 90022, 135033, 180044, 270066, 405099, 540132, 810198, 1620396]

約数ペア:

[(1, 1620396), (2, 810198), (3, 540132), (4, 405099), (6, 270066), (9, 180044), (12, 135033), (18, 90022), (19, 85284), (23, 70452), (36, 45011), (38, 42642), (46, 35226), (57, 28428), (69, 23484), (76, 21321), (92, 17613), (103, 15732), (114, 14214), (138, 11742), (171, 9476), (206, 7866), (207, 7828), (228, 7107), (276, 5871), (309, 5244), (342, 4738), (412, 3933), (414, 3914), (437, 3708), (618, 2622), (684, 2369), (828, 1957), (874, 1854), (927, 1748), (1236, 1311)]