640005840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{296299}}^1$

素因数の和:296321

約数の個数: 80

約数和(自身を含む): 2204472000

約数和(自身を除く): 1564466160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 296299, 592598, 888897, 1185196, 1481495, 1777794, 2370392, 2666691, 2962990, 3555588, 4444485, 4740784, 5333382, 5925980, 7111176, 8000073, 8888970, 10666764, 11851960, 13333455, 14222352, 16000146, 17777940, 21333528, 23703920, 26666910, 32000292, 35555880, 40000365, 42667056, 53333820, 64000584, 71111760, 80000730, 106667640, 128001168, 160001460, 213335280, 320002920, 640005840]

約数ペア:

[(1, 640005840), (2, 320002920), (3, 213335280), (4, 160001460), (5, 128001168), (6, 106667640), (8, 80000730), (9, 71111760), (10, 64000584), (12, 53333820), (15, 42667056), (16, 40000365), (18, 35555880), (20, 32000292), (24, 26666910), (27, 23703920), (30, 21333528), (36, 17777940), (40, 16000146), (45, 14222352), (48, 13333455), (54, 11851960), (60, 10666764), (72, 8888970), (80, 8000073), (90, 7111176), (108, 5925980), (120, 5333382), (135, 4740784), (144, 4444485), (180, 3555588), (216, 2962990), (240, 2666691), (270, 2370392), (360, 1777794), (432, 1481495), (540, 1185196), (720, 888897), (1080, 592598), (2160, 296299)]