30887280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{42899}}^1$

素因数の和:42918

約数の個数: 60

約数和(自身を含む): 103732200

約数和(自身を除く): 72844920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 42899, 85798, 128697, 171596, 214495, 257394, 343192, 386091, 428990, 514788, 643485, 686384, 772182, 857980, 1029576, 1286970, 1544364, 1715960, 1930455, 2059152, 2573940, 3088728, 3431920, 3860910, 5147880, 6177456, 7721820, 10295760, 15443640, 30887280]

約数ペア:

[(1, 30887280), (2, 15443640), (3, 10295760), (4, 7721820), (5, 6177456), (6, 5147880), (8, 3860910), (9, 3431920), (10, 3088728), (12, 2573940), (15, 2059152), (16, 1930455), (18, 1715960), (20, 1544364), (24, 1286970), (30, 1029576), (36, 857980), (40, 772182), (45, 686384), (48, 643485), (60, 514788), (72, 428990), (80, 386091), (90, 343192), (120, 257394), (144, 214495), (180, 171596), (240, 128697), (360, 85798), (720, 42899)]