20230740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1583}}^1$

素因数の和:1669

約数の個数: 72

約数和(自身を含む): 62270208

約数和(自身を除く): 42039468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1583, 2130, 2556, 3166, 3195, 4260, 4749, 6332, 6390, 7915, 9498, 12780, 14247, 15830, 18996, 23745, 28494, 31660, 47490, 56988, 71235, 94980, 112393, 142470, 224786, 284940, 337179, 449572, 561965, 674358, 1011537, 1123930, 1348716, 1685895, 2023074, 2247860, 3371790, 4046148, 5057685, 6743580, 10115370, 20230740]

約数ペア:

[(1, 20230740), (2, 10115370), (3, 6743580), (4, 5057685), (5, 4046148), (6, 3371790), (9, 2247860), (10, 2023074), (12, 1685895), (15, 1348716), (18, 1123930), (20, 1011537), (30, 674358), (36, 561965), (45, 449572), (60, 337179), (71, 284940), (90, 224786), (142, 142470), (180, 112393), (213, 94980), (284, 71235), (355, 56988), (426, 47490), (639, 31660), (710, 28494), (852, 23745), (1065, 18996), (1278, 15830), (1420, 14247), (1583, 12780), (2130, 9498), (2556, 7915), (3166, 6390), (3195, 6332), (4260, 4749)]