213420420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2803}}^1$

素因数の和:2871

約数の個数: 120

約数和(自身を含む): 683996544

約数和(自身を除く): 470576124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 270, 282, 324, 405, 423, 470, 540, 564, 705, 810, 846, 940, 1269, 1410, 1620, 1692, 2115, 2538, 2803, 2820, 3807, 4230, 5076, 5606, 6345, 7614, 8409, 8460, 11212, 12690, 14015, 15228, 16818, 19035, 25227, 25380, 28030, 33636, 38070, 42045, 50454, 56060, 75681, 76140, 84090, 100908, 126135, 131741, 151362, 168180, 227043, 252270, 263482, 302724, 378405, 395223, 454086, 504540, 526964, 658705, 756810, 790446, 908172, 1135215, 1185669, 1317410, 1513620, 1580892, 1976115, 2270430, 2371338, 2634820, 3557007, 3952230, 4540860, 4742676, 5928345, 7114014, 7904460, 10671021, 11856690, 14228028, 17785035, 21342042, 23713380, 35570070, 42684084, 53355105, 71140140, 106710210, 213420420]

約数ペア:

[(1, 213420420), (2, 106710210), (3, 71140140), (4, 53355105), (5, 42684084), (6, 35570070), (9, 23713380), (10, 21342042), (12, 17785035), (15, 14228028), (18, 11856690), (20, 10671021), (27, 7904460), (30, 7114014), (36, 5928345), (45, 4742676), (47, 4540860), (54, 3952230), (60, 3557007), (81, 2634820), (90, 2371338), (94, 2270430), (108, 1976115), (135, 1580892), (141, 1513620), (162, 1317410), (180, 1185669), (188, 1135215), (235, 908172), (270, 790446), (282, 756810), (324, 658705), (405, 526964), (423, 504540), (470, 454086), (540, 395223), (564, 378405), (705, 302724), (810, 263482), (846, 252270), (940, 227043), (1269, 168180), (1410, 151362), (1620, 131741), (1692, 126135), (2115, 100908), (2538, 84090), (2803, 76140), (2820, 75681), (3807, 56060), (4230, 50454), (5076, 42045), (5606, 38070), (6345, 33636), (7614, 28030), (8409, 25380), (8460, 25227), (11212, 19035), (12690, 16818), (14015, 15228)]