30388140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2137}}^1$

素因数の和:2231

約数の個数: 72

約数和(自身を含む): 93387840

約数和(自身を除く): 62999700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2137, 2370, 2844, 3555, 4274, 4740, 6411, 7110, 8548, 10685, 12822, 14220, 19233, 21370, 25644, 32055, 38466, 42740, 64110, 76932, 96165, 128220, 168823, 192330, 337646, 384660, 506469, 675292, 844115, 1012938, 1519407, 1688230, 2025876, 2532345, 3038814, 3376460, 5064690, 6077628, 7597035, 10129380, 15194070, 30388140]

約数ペア:

[(1, 30388140), (2, 15194070), (3, 10129380), (4, 7597035), (5, 6077628), (6, 5064690), (9, 3376460), (10, 3038814), (12, 2532345), (15, 2025876), (18, 1688230), (20, 1519407), (30, 1012938), (36, 844115), (45, 675292), (60, 506469), (79, 384660), (90, 337646), (158, 192330), (180, 168823), (237, 128220), (316, 96165), (395, 76932), (474, 64110), (711, 42740), (790, 38466), (948, 32055), (1185, 25644), (1422, 21370), (1580, 19233), (2137, 14220), (2370, 12822), (2844, 10685), (3555, 8548), (4274, 7110), (4740, 6411)]