212556420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20717}}^1$

素因数の和:20754

約数の個数: 96

約数和(自身を含む): 696124800

約数和(自身を除く): 483568380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 20717, 41434, 62151, 82868, 103585, 124302, 186453, 207170, 248604, 310755, 372906, 393623, 414340, 559359, 621510, 745812, 787246, 932265, 1118718, 1180869, 1243020, 1574492, 1864530, 1968115, 2237436, 2361738, 2796795, 3542607, 3729060, 3936230, 4723476, 5593590, 5904345, 7085214, 7872460, 10627821, 11187180, 11808690, 14170428, 17713035, 21255642, 23617380, 35426070, 42511284, 53139105, 70852140, 106278210, 212556420]

約数ペア:

[(1, 212556420), (2, 106278210), (3, 70852140), (4, 53139105), (5, 42511284), (6, 35426070), (9, 23617380), (10, 21255642), (12, 17713035), (15, 14170428), (18, 11808690), (19, 11187180), (20, 10627821), (27, 7872460), (30, 7085214), (36, 5904345), (38, 5593590), (45, 4723476), (54, 3936230), (57, 3729060), (60, 3542607), (76, 2796795), (90, 2361738), (95, 2237436), (108, 1968115), (114, 1864530), (135, 1574492), (171, 1243020), (180, 1180869), (190, 1118718), (228, 932265), (270, 787246), (285, 745812), (342, 621510), (380, 559359), (513, 414340), (540, 393623), (570, 372906), (684, 310755), (855, 248604), (1026, 207170), (1140, 186453), (1710, 124302), (2052, 103585), (2565, 82868), (3420, 62151), (5130, 41434), (10260, 20717)]