81719970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 210712320

約数和(自身を除く): 128992350

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 41, 58, 79, 82, 87, 123, 145, 158, 174, 205, 237, 246, 290, 395, 410, 435, 474, 615, 790, 841, 870, 1185, 1189, 1230, 1682, 2291, 2370, 2378, 2523, 3239, 3567, 4205, 4582, 5046, 5945, 6478, 6873, 7134, 8410, 9717, 11455, 11890, 12615, 13746, 16195, 17835, 19434, 22910, 25230, 32390, 34365, 34481, 35670, 48585, 66439, 68730, 68962, 93931, 97170, 103443, 132878, 172405, 187862, 199317, 206886, 281793, 332195, 344810, 398634, 469655, 517215, 563586, 664390, 939310, 996585, 1034430, 1408965, 1993170, 2723999, 2817930, 5447998, 8171997, 13619995, 16343994, 27239990, 40859985, 81719970]

約数ペア:

[(1, 81719970), (2, 40859985), (3, 27239990), (5, 16343994), (6, 13619995), (10, 8171997), (15, 5447998), (29, 2817930), (30, 2723999), (41, 1993170), (58, 1408965), (79, 1034430), (82, 996585), (87, 939310), (123, 664390), (145, 563586), (158, 517215), (174, 469655), (205, 398634), (237, 344810), (246, 332195), (290, 281793), (395, 206886), (410, 199317), (435, 187862), (474, 172405), (615, 132878), (790, 103443), (841, 97170), (870, 93931), (1185, 68962), (1189, 68730), (1230, 66439), (1682, 48585), (2291, 35670), (2370, 34481), (2378, 34365), (2523, 32390), (3239, 25230), (3567, 22910), (4205, 19434), (4582, 17835), (5046, 16195), (5945, 13746), (6478, 12615), (6873, 11890), (7134, 11455), (8410, 9717)]