1280135520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{888983}}^1$

素因数の和:889004

約数の個数: 72

約数和(自身を含む): 4368467376

約数和(自身を除く): 3088331856

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, 888983, 1777966, 2666949, 3555932, 4444915, 5333898, 7111864, 8000847, 8889830, 10667796, 13334745, 14223728, 16001694, 17779660, 21335592, 26669490, 28447456, 32003388, 35559320, 40004235, 42671184, 53338980, 64006776, 71118640, 80008470, 85342368, 106677960, 128013552, 142237280, 160016940, 213355920, 256027104, 320033880, 426711840, 640067760, 1280135520]

約数ペア:

[(1, 1280135520), (2, 640067760), (3, 426711840), (4, 320033880), (5, 256027104), (6, 213355920), (8, 160016940), (9, 142237280), (10, 128013552), (12, 106677960), (15, 85342368), (16, 80008470), (18, 71118640), (20, 64006776), (24, 53338980), (30, 42671184), (32, 40004235), (36, 35559320), (40, 32003388), (45, 28447456), (48, 26669490), (60, 21335592), (72, 17779660), (80, 16001694), (90, 14223728), (96, 13334745), (120, 10667796), (144, 8889830), (160, 8000847), (180, 7111864), (240, 5333898), (288, 4444915), (360, 3555932), (480, 2666949), (720, 1777966), (1440, 888983)]