30899280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{128747}}^1$

素因数の和:128763

約数の個数: 40

約数和(自身を含む): 95788512

約数和(自身を除く): 64889232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 128747, 257494, 386241, 514988, 643735, 772482, 1029976, 1287470, 1544964, 1931205, 2059952, 2574940, 3089928, 3862410, 5149880, 6179856, 7724820, 10299760, 15449640, 30899280]

約数ペア:

[(1, 30899280), (2, 15449640), (3, 10299760), (4, 7724820), (5, 6179856), (6, 5149880), (8, 3862410), (10, 3089928), (12, 2574940), (15, 2059952), (16, 1931205), (20, 1544964), (24, 1287470), (30, 1029976), (40, 772482), (48, 643735), (60, 514988), (80, 386241), (120, 257494), (240, 128747)]