87388860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{563}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 265305600

約数和(自身を除く): 177916740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 199, 260, 390, 398, 563, 597, 780, 796, 995, 1126, 1194, 1689, 1990, 2252, 2388, 2587, 2815, 2985, 3378, 3980, 5174, 5630, 5970, 6756, 7319, 7761, 8445, 10348, 11260, 11940, 12935, 14638, 15522, 16890, 21957, 25870, 29276, 31044, 33780, 36595, 38805, 43914, 51740, 73190, 77610, 87828, 109785, 112037, 146380, 155220, 219570, 224074, 336111, 439140, 448148, 560185, 672222, 1120370, 1344444, 1456481, 1680555, 2240740, 2912962, 3361110, 4369443, 5825924, 6722220, 7282405, 8738886, 14564810, 17477772, 21847215, 29129620, 43694430, 87388860]

約数ペア:

[(1, 87388860), (2, 43694430), (3, 29129620), (4, 21847215), (5, 17477772), (6, 14564810), (10, 8738886), (12, 7282405), (13, 6722220), (15, 5825924), (20, 4369443), (26, 3361110), (30, 2912962), (39, 2240740), (52, 1680555), (60, 1456481), (65, 1344444), (78, 1120370), (130, 672222), (156, 560185), (195, 448148), (199, 439140), (260, 336111), (390, 224074), (398, 219570), (563, 155220), (597, 146380), (780, 112037), (796, 109785), (995, 87828), (1126, 77610), (1194, 73190), (1689, 51740), (1990, 43914), (2252, 38805), (2388, 36595), (2587, 33780), (2815, 31044), (2985, 29276), (3378, 25870), (3980, 21957), (5174, 16890), (5630, 15522), (5970, 14638), (6756, 12935), (7319, 11940), (7761, 11260), (8445, 10348)]