205343280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285199}}^1$

素因数の和:285218

約数の個数: 60

約数和(自身を含む): 689613600

約数和(自身を除く): 484270320

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, 285199, 570398, 855597, 1140796, 1425995, 1711194, 2281592, 2566791, 2851990, 3422388, 4277985, 4563184, 5133582, 5703980, 6844776, 8555970, 10267164, 11407960, 12833955, 13689552, 17111940, 20534328, 22815920, 25667910, 34223880, 41068656, 51335820, 68447760, 102671640, 205343280]

約数ペア:

[(1, 205343280), (2, 102671640), (3, 68447760), (4, 51335820), (5, 41068656), (6, 34223880), (8, 25667910), (9, 22815920), (10, 20534328), (12, 17111940), (15, 13689552), (16, 12833955), (18, 11407960), (20, 10267164), (24, 8555970), (30, 6844776), (36, 5703980), (40, 5133582), (45, 4563184), (48, 4277985), (60, 3422388), (72, 2851990), (80, 2566791), (90, 2281592), (120, 1711194), (144, 1425995), (180, 1140796), (240, 855597), (360, 570398), (720, 285199)]