81748112640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21288571}}^1$

素因数の和:21288595

約数の個数: 72

約数和(自身を含む): 261083047008

約数和(自身を除く): 179334934368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21288571, 42577142, 63865713, 85154284, 106442855, 127731426, 170308568, 212885710, 255462852, 319328565, 340617136, 425771420, 510925704, 638657130, 681234272, 851542840, 1021851408, 1277314260, 1362468544, 1703085680, 2043702816, 2554628520, 2724937088, 3406171360, 4087405632, 5109257040, 5449874176, 6812342720, 8174811264, 10218514080, 13624685440, 16349622528, 20437028160, 27249370880, 40874056320, 81748112640]

約数ペア:

[(1, 81748112640), (2, 40874056320), (3, 27249370880), (4, 20437028160), (5, 16349622528), (6, 13624685440), (8, 10218514080), (10, 8174811264), (12, 6812342720), (15, 5449874176), (16, 5109257040), (20, 4087405632), (24, 3406171360), (30, 2724937088), (32, 2554628520), (40, 2043702816), (48, 1703085680), (60, 1362468544), (64, 1277314260), (80, 1021851408), (96, 851542840), (120, 681234272), (128, 638657130), (160, 510925704), (192, 425771420), (240, 340617136), (256, 319328565), (320, 255462852), (384, 212885710), (480, 170308568), (640, 127731426), (768, 106442855), (960, 85154284), (1280, 63865713), (1920, 42577142), (3840, 21288571)]