71985320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 180986400

約数和(自身を除く): 109001080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 121, 139, 214, 220, 242, 278, 428, 440, 484, 535, 556, 605, 695, 856, 968, 1070, 1112, 1177, 1210, 1390, 1529, 2140, 2354, 2420, 2780, 3058, 4280, 4708, 4840, 5560, 5885, 6116, 7645, 9416, 11770, 12232, 12947, 14873, 15290, 16819, 23540, 25894, 29746, 30580, 33638, 47080, 51788, 59492, 61160, 64735, 67276, 74365, 84095, 103576, 118984, 129470, 134552, 148730, 163603, 168190, 258940, 297460, 327206, 336380, 517880, 594920, 654412, 672760, 818015, 1308824, 1636030, 1799633, 3272060, 3599266, 6544120, 7198532, 8998165, 14397064, 17996330, 35992660, 71985320]

約数ペア:

[(1, 71985320), (2, 35992660), (4, 17996330), (5, 14397064), (8, 8998165), (10, 7198532), (11, 6544120), (20, 3599266), (22, 3272060), (40, 1799633), (44, 1636030), (55, 1308824), (88, 818015), (107, 672760), (110, 654412), (121, 594920), (139, 517880), (214, 336380), (220, 327206), (242, 297460), (278, 258940), (428, 168190), (440, 163603), (484, 148730), (535, 134552), (556, 129470), (605, 118984), (695, 103576), (856, 84095), (968, 74365), (1070, 67276), (1112, 64735), (1177, 61160), (1210, 59492), (1390, 51788), (1529, 47080), (2140, 33638), (2354, 30580), (2420, 29746), (2780, 25894), (3058, 23540), (4280, 16819), (4708, 15290), (4840, 14873), (5560, 12947), (5885, 12232), (6116, 11770), (7645, 9416)]