90496720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:532

約数の個数: 80

約数和(自身を含む): 221771520

約数和(自身を除く): 131274800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 137, 184, 230, 274, 359, 368, 460, 548, 685, 718, 920, 1096, 1370, 1436, 1795, 1840, 2192, 2740, 2872, 3151, 3590, 5480, 5744, 6302, 7180, 8257, 10960, 12604, 14360, 15755, 16514, 25208, 28720, 31510, 33028, 41285, 49183, 50416, 63020, 66056, 82570, 98366, 126040, 132112, 165140, 196732, 245915, 252080, 330280, 393464, 491830, 660560, 786928, 983660, 1131209, 1967320, 2262418, 3934640, 4524836, 5656045, 9049672, 11312090, 18099344, 22624180, 45248360, 90496720]

約数ペア:

[(1, 90496720), (2, 45248360), (4, 22624180), (5, 18099344), (8, 11312090), (10, 9049672), (16, 5656045), (20, 4524836), (23, 3934640), (40, 2262418), (46, 1967320), (80, 1131209), (92, 983660), (115, 786928), (137, 660560), (184, 491830), (230, 393464), (274, 330280), (359, 252080), (368, 245915), (460, 196732), (548, 165140), (685, 132112), (718, 126040), (920, 98366), (1096, 82570), (1370, 66056), (1436, 63020), (1795, 50416), (1840, 49183), (2192, 41285), (2740, 33028), (2872, 31510), (3151, 28720), (3590, 25208), (5480, 16514), (5744, 15755), (6302, 14360), (7180, 12604), (8257, 10960)]