309875040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{215191}}^1$

素因数の和:215212

約数の個数: 72

約数和(自身を含む): 1057453488

約数和(自身を除く): 747578448

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, 215191, 430382, 645573, 860764, 1075955, 1291146, 1721528, 1936719, 2151910, 2582292, 3227865, 3443056, 3873438, 4303820, 5164584, 6455730, 6886112, 7746876, 8607640, 9683595, 10329168, 12911460, 15493752, 17215280, 19367190, 20658336, 25822920, 30987504, 34430560, 38734380, 51645840, 61975008, 77468760, 103291680, 154937520, 309875040]

約数ペア:

[(1, 309875040), (2, 154937520), (3, 103291680), (4, 77468760), (5, 61975008), (6, 51645840), (8, 38734380), (9, 34430560), (10, 30987504), (12, 25822920), (15, 20658336), (16, 19367190), (18, 17215280), (20, 15493752), (24, 12911460), (30, 10329168), (32, 9683595), (36, 8607640), (40, 7746876), (45, 6886112), (48, 6455730), (60, 5164584), (72, 4303820), (80, 3873438), (90, 3443056), (96, 3227865), (120, 2582292), (144, 2151910), (160, 1936719), (180, 1721528), (240, 1291146), (288, 1075955), (360, 860764), (480, 645573), (720, 430382), (1440, 215191)]