390587040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{271241}}^1$

素因数の和:271262

約数の個数: 72

約数和(自身を含む): 1332883188

約数和(自身を除く): 942296148

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 271241, 542482, 813723, 1084964, 1356205, 1627446, 2169928, 2441169, 2712410, 3254892, 4068615, 4339856, 4882338, 5424820, 6509784, 8137230, 8679712, 9764676, 10849640, 12205845, 13019568, 16274460, 19529352, 21699280, 24411690, 26039136, 32548920, 39058704, 43398560, 48823380, 65097840, 78117408, 97646760, 130195680, 195293520, 390587040]

約数ペア:

[(1, 390587040), (2, 195293520), (3, 130195680), (4, 97646760), (5, 78117408), (6, 65097840), (8, 48823380), (9, 43398560), (10, 39058704), (12, 32548920), (15, 26039136), (16, 24411690), (18, 21699280), (20, 19529352), (24, 16274460), (30, 13019568), (32, 12205845), (36, 10849640), (40, 9764676), (45, 8679712), (48, 8137230), (60, 6509784), (72, 5424820), (80, 4882338), (90, 4339856), (96, 4068615), (120, 3254892), (144, 2712410), (160, 2441169), (180, 2169928), (240, 1627446), (288, 1356205), (360, 1084964), (480, 813723), (720, 542482), (1440, 271241)]