331544080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25741}}^1$

素因数の和:25784

約数の個数: 80

約数和(自身を含む): 919298304

約数和(自身を除く): 587754224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 25741, 51482, 102964, 128705, 180187, 205928, 257410, 360374, 411856, 514820, 592043, 720748, 900935, 1029640, 1184086, 1441496, 1801870, 2059280, 2368172, 2882992, 2960215, 3603740, 4144301, 4736344, 5920430, 7207480, 8288602, 9472688, 11840860, 14414960, 16577204, 20721505, 23681720, 33154408, 41443010, 47363440, 66308816, 82886020, 165772040, 331544080]

約数ペア:

[(1, 331544080), (2, 165772040), (4, 82886020), (5, 66308816), (7, 47363440), (8, 41443010), (10, 33154408), (14, 23681720), (16, 20721505), (20, 16577204), (23, 14414960), (28, 11840860), (35, 9472688), (40, 8288602), (46, 7207480), (56, 5920430), (70, 4736344), (80, 4144301), (92, 3603740), (112, 2960215), (115, 2882992), (140, 2368172), (161, 2059280), (184, 1801870), (230, 1441496), (280, 1184086), (322, 1029640), (368, 900935), (460, 720748), (560, 592043), (644, 514820), (805, 411856), (920, 360374), (1288, 257410), (1610, 205928), (1840, 180187), (2576, 128705), (3220, 102964), (6440, 51482), (12880, 25741)]