71530740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1511}}^1$

素因数の和:1789

約数の個数: 72

約数和(自身を含む): 217945728

約数和(自身を除く): 146414988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1511, 1578, 2367, 2630, 3022, 3156, 3945, 4533, 4734, 5260, 6044, 7555, 7890, 9066, 9468, 11835, 13599, 15110, 15780, 18132, 22665, 23670, 27198, 30220, 45330, 47340, 54396, 67995, 90660, 135990, 271980, 397393, 794786, 1192179, 1589572, 1986965, 2384358, 3576537, 3973930, 4768716, 5960895, 7153074, 7947860, 11921790, 14306148, 17882685, 23843580, 35765370, 71530740]

約数ペア:

[(1, 71530740), (2, 35765370), (3, 23843580), (4, 17882685), (5, 14306148), (6, 11921790), (9, 7947860), (10, 7153074), (12, 5960895), (15, 4768716), (18, 3973930), (20, 3576537), (30, 2384358), (36, 1986965), (45, 1589572), (60, 1192179), (90, 794786), (180, 397393), (263, 271980), (526, 135990), (789, 90660), (1052, 67995), (1315, 54396), (1511, 47340), (1578, 45330), (2367, 30220), (2630, 27198), (3022, 23670), (3156, 22665), (3945, 18132), (4533, 15780), (4734, 15110), (5260, 13599), (6044, 11835), (7555, 9468), (7890, 9066)]