121831290

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{21487}}^1$

素因数の和:21513

約数の個数: 80

約数和(自身を含む): 374406912

約数和(自身を除く): 252575622

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 21487, 42974, 64461, 107435, 128922, 150409, 193383, 214870, 300818, 322305, 386766, 451227, 580149, 644610, 752045, 902454, 966915, 1160298, 1353681, 1504090, 1740447, 1933830, 2256135, 2707362, 2900745, 3480894, 4061043, 4512270, 5801490, 6768405, 8122086, 8702235, 12183129, 13536810, 17404470, 20305215, 24366258, 40610430, 60915645, 121831290]

約数ペア:

[(1, 121831290), (2, 60915645), (3, 40610430), (5, 24366258), (6, 20305215), (7, 17404470), (9, 13536810), (10, 12183129), (14, 8702235), (15, 8122086), (18, 6768405), (21, 5801490), (27, 4512270), (30, 4061043), (35, 3480894), (42, 2900745), (45, 2707362), (54, 2256135), (63, 1933830), (70, 1740447), (81, 1504090), (90, 1353681), (105, 1160298), (126, 966915), (135, 902454), (162, 752045), (189, 644610), (210, 580149), (270, 451227), (315, 386766), (378, 322305), (405, 300818), (567, 214870), (630, 193383), (810, 150409), (945, 128922), (1134, 107435), (1890, 64461), (2835, 42974), (5670, 21487)]