128478210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{611801}}^1$

素因数の和:611818

約数の個数: 32

約数和(自身を含む): 352397952

約数和(自身を除く): 223919742

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 611801, 1223602, 1835403, 3059005, 3670806, 4282607, 6118010, 8565214, 9177015, 12847821, 18354030, 21413035, 25695642, 42826070, 64239105, 128478210]

約数ペア:

[(1, 128478210), (2, 64239105), (3, 42826070), (5, 25695642), (6, 21413035), (7, 18354030), (10, 12847821), (14, 9177015), (15, 8565214), (21, 6118010), (30, 4282607), (35, 3670806), (42, 3059005), (70, 1835403), (105, 1223602), (210, 611801)]