990090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 2793600

約数和(自身を除く): 1803510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 193, 270, 285, 342, 386, 513, 570, 579, 855, 965, 1026, 1158, 1710, 1737, 1930, 2565, 2895, 3474, 3667, 5130, 5211, 5790, 7334, 8685, 10422, 11001, 17370, 18335, 22002, 26055, 33003, 36670, 52110, 55005, 66006, 99009, 110010, 165015, 198018, 330030, 495045, 990090]

約数ペア:

[(1, 990090), (2, 495045), (3, 330030), (5, 198018), (6, 165015), (9, 110010), (10, 99009), (15, 66006), (18, 55005), (19, 52110), (27, 36670), (30, 33003), (38, 26055), (45, 22002), (54, 18335), (57, 17370), (90, 11001), (95, 10422), (114, 8685), (135, 7334), (171, 5790), (190, 5211), (193, 5130), (270, 3667), (285, 3474), (342, 2895), (386, 2565), (513, 1930), (570, 1737), (579, 1710), (855, 1158), (965, 1026)]