78700020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8147}}^1$

素因数の和:8189

約数の個数: 96

約数和(自身を含む): 262821888

約数和(自身を除く): 184121868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 8147, 9660, 16294, 24441, 32588, 40735, 48882, 57029, 81470, 97764, 114058, 122205, 162940, 171087, 187381, 228116, 244410, 285145, 342174, 374762, 488820, 562143, 570290, 684348, 749524, 855435, 936905, 1124286, 1140580, 1311667, 1710870, 1873810, 2248572, 2623334, 2810715, 3421740, 3747620, 3935001, 5246668, 5621430, 6558335, 7870002, 11242860, 13116670, 15740004, 19675005, 26233340, 39350010, 78700020]

約数ペア:

[(1, 78700020), (2, 39350010), (3, 26233340), (4, 19675005), (5, 15740004), (6, 13116670), (7, 11242860), (10, 7870002), (12, 6558335), (14, 5621430), (15, 5246668), (20, 3935001), (21, 3747620), (23, 3421740), (28, 2810715), (30, 2623334), (35, 2248572), (42, 1873810), (46, 1710870), (60, 1311667), (69, 1140580), (70, 1124286), (84, 936905), (92, 855435), (105, 749524), (115, 684348), (138, 570290), (140, 562143), (161, 488820), (210, 374762), (230, 342174), (276, 285145), (322, 244410), (345, 228116), (420, 187381), (460, 171087), (483, 162940), (644, 122205), (690, 114058), (805, 97764), (966, 81470), (1380, 57029), (1610, 48882), (1932, 40735), (2415, 32588), (3220, 24441), (4830, 16294), (8147, 9660)]