42880740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 144187008

約数和(自身を除く): 101306268

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, 193, 210, 230, 276, 322, 345, 386, 420, 460, 483, 529, 579, 644, 690, 772, 805, 965, 966, 1058, 1158, 1351, 1380, 1587, 1610, 1930, 1932, 2116, 2316, 2415, 2645, 2702, 2895, 3174, 3220, 3703, 3860, 4053, 4439, 4830, 5290, 5404, 5790, 6348, 6755, 7406, 7935, 8106, 8878, 9660, 10580, 11109, 11580, 13317, 13510, 14812, 15870, 16212, 17756, 18515, 20265, 22195, 22218, 26634, 27020, 31073, 31740, 37030, 40530, 44390, 44436, 53268, 55545, 62146, 66585, 74060, 81060, 88780, 93219, 102097, 111090, 124292, 133170, 155365, 186438, 204194, 222180, 266340, 306291, 310730, 372876, 408388, 466095, 510485, 612582, 621460, 714679, 932190, 1020970, 1225164, 1429358, 1531455, 1864380, 2041940, 2144037, 2858716, 3062910, 3573395, 4288074, 6125820, 7146790, 8576148, 10720185, 14293580, 21440370, 42880740]

約数ペア:

[(1, 42880740), (2, 21440370), (3, 14293580), (4, 10720185), (5, 8576148), (6, 7146790), (7, 6125820), (10, 4288074), (12, 3573395), (14, 3062910), (15, 2858716), (20, 2144037), (21, 2041940), (23, 1864380), (28, 1531455), (30, 1429358), (35, 1225164), (42, 1020970), (46, 932190), (60, 714679), (69, 621460), (70, 612582), (84, 510485), (92, 466095), (105, 408388), (115, 372876), (138, 310730), (140, 306291), (161, 266340), (193, 222180), (210, 204194), (230, 186438), (276, 155365), (322, 133170), (345, 124292), (386, 111090), (420, 102097), (460, 93219), (483, 88780), (529, 81060), (579, 74060), (644, 66585), (690, 62146), (772, 55545), (805, 53268), (965, 44436), (966, 44390), (1058, 40530), (1158, 37030), (1351, 31740), (1380, 31073), (1587, 27020), (1610, 26634), (1930, 22218), (1932, 22195), (2116, 20265), (2316, 18515), (2415, 17756), (2645, 16212), (2702, 15870), (2895, 14812), (3174, 13510), (3220, 13317), (3703, 11580), (3860, 11109), (4053, 10580), (4439, 9660), (4830, 8878), (5290, 8106), (5404, 7935), (5790, 7406), (6348, 6755)]