913921520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1367}}^1$

素因数の和:1578

約数の個数: 80

約数和(自身を含む): 2177057088

約数和(自身を除く): 1263135568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 137, 244, 274, 305, 488, 548, 610, 685, 976, 1096, 1220, 1367, 1370, 2192, 2440, 2734, 2740, 4880, 5468, 5480, 6835, 8357, 10936, 10960, 13670, 16714, 21872, 27340, 33428, 41785, 54680, 66856, 83387, 83570, 109360, 133712, 166774, 167140, 187279, 333548, 334280, 374558, 416935, 667096, 668560, 749116, 833870, 936395, 1334192, 1498232, 1667740, 1872790, 2996464, 3335480, 3745580, 6670960, 7491160, 11424019, 14982320, 22848038, 45696076, 57120095, 91392152, 114240190, 182784304, 228480380, 456960760, 913921520]

約数ペア:

[(1, 913921520), (2, 456960760), (4, 228480380), (5, 182784304), (8, 114240190), (10, 91392152), (16, 57120095), (20, 45696076), (40, 22848038), (61, 14982320), (80, 11424019), (122, 7491160), (137, 6670960), (244, 3745580), (274, 3335480), (305, 2996464), (488, 1872790), (548, 1667740), (610, 1498232), (685, 1334192), (976, 936395), (1096, 833870), (1220, 749116), (1367, 668560), (1370, 667096), (2192, 416935), (2440, 374558), (2734, 334280), (2740, 333548), (4880, 187279), (5468, 167140), (5480, 166774), (6835, 133712), (8357, 109360), (10936, 83570), (10960, 83387), (13670, 66856), (16714, 54680), (21872, 41785), (27340, 33428)]