66737720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 183997440

約数和(自身を除く): 117259720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 86, 92, 115, 140, 161, 172, 184, 215, 230, 241, 280, 301, 322, 344, 430, 460, 482, 602, 644, 805, 860, 920, 964, 989, 1204, 1205, 1288, 1505, 1610, 1687, 1720, 1928, 1978, 2408, 2410, 3010, 3220, 3374, 3956, 4820, 4945, 5543, 6020, 6440, 6748, 6923, 7912, 8435, 9640, 9890, 10363, 11086, 12040, 13496, 13846, 16870, 19780, 20726, 22172, 27692, 27715, 33740, 34615, 38801, 39560, 41452, 44344, 51815, 55384, 55430, 67480, 69230, 72541, 77602, 82904, 103630, 110860, 138460, 145082, 155204, 194005, 207260, 221720, 238349, 276920, 290164, 310408, 362705, 388010, 414520, 476698, 580328, 725410, 776020, 953396, 1191745, 1450820, 1552040, 1668443, 1906792, 2383490, 2901640, 3336886, 4766980, 6673772, 8342215, 9533960, 13347544, 16684430, 33368860, 66737720]

約数ペア:

[(1, 66737720), (2, 33368860), (4, 16684430), (5, 13347544), (7, 9533960), (8, 8342215), (10, 6673772), (14, 4766980), (20, 3336886), (23, 2901640), (28, 2383490), (35, 1906792), (40, 1668443), (43, 1552040), (46, 1450820), (56, 1191745), (70, 953396), (86, 776020), (92, 725410), (115, 580328), (140, 476698), (161, 414520), (172, 388010), (184, 362705), (215, 310408), (230, 290164), (241, 276920), (280, 238349), (301, 221720), (322, 207260), (344, 194005), (430, 155204), (460, 145082), (482, 138460), (602, 110860), (644, 103630), (805, 82904), (860, 77602), (920, 72541), (964, 69230), (989, 67480), (1204, 55430), (1205, 55384), (1288, 51815), (1505, 44344), (1610, 41452), (1687, 39560), (1720, 38801), (1928, 34615), (1978, 33740), (2408, 27715), (2410, 27692), (3010, 22172), (3220, 20726), (3374, 19780), (3956, 16870), (4820, 13846), (4945, 13496), (5543, 12040), (6020, 11086), (6440, 10363), (6748, 9890), (6923, 9640), (7912, 8435)]