133775440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 321050880

約数和(自身を除く): 187275440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 79, 80, 122, 158, 244, 305, 316, 347, 395, 488, 610, 632, 694, 790, 976, 1220, 1264, 1388, 1580, 1735, 2440, 2776, 3160, 3470, 4819, 4880, 5552, 6320, 6940, 9638, 13880, 19276, 21167, 24095, 27413, 27760, 38552, 42334, 48190, 54826, 77104, 84668, 96380, 105835, 109652, 137065, 169336, 192760, 211670, 219304, 274130, 338672, 385520, 423340, 438608, 548260, 846680, 1096520, 1672193, 1693360, 2193040, 3344386, 6688772, 8360965, 13377544, 16721930, 26755088, 33443860, 66887720, 133775440]

約数ペア:

[(1, 133775440), (2, 66887720), (4, 33443860), (5, 26755088), (8, 16721930), (10, 13377544), (16, 8360965), (20, 6688772), (40, 3344386), (61, 2193040), (79, 1693360), (80, 1672193), (122, 1096520), (158, 846680), (244, 548260), (305, 438608), (316, 423340), (347, 385520), (395, 338672), (488, 274130), (610, 219304), (632, 211670), (694, 192760), (790, 169336), (976, 137065), (1220, 109652), (1264, 105835), (1388, 96380), (1580, 84668), (1735, 77104), (2440, 54826), (2776, 48190), (3160, 42334), (3470, 38552), (4819, 27760), (4880, 27413), (5552, 24095), (6320, 21167), (6940, 19276), (9638, 13880)]