164369440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1069}}^1$

素因数の和:1146

約数の個数: 72

約数和(自身を含む): 401628780

約数和(自身を除く): 237259340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1069, 1240, 1922, 2138, 2480, 3844, 4276, 4805, 4960, 5345, 7688, 8552, 9610, 10690, 15376, 17104, 19220, 21380, 30752, 33139, 34208, 38440, 42760, 66278, 76880, 85520, 132556, 153760, 165695, 171040, 265112, 331390, 530224, 662780, 1027309, 1060448, 1325560, 2054618, 2651120, 4109236, 5136545, 5302240, 8218472, 10273090, 16436944, 20546180, 32873888, 41092360, 82184720, 164369440]

約数ペア:

[(1, 164369440), (2, 82184720), (4, 41092360), (5, 32873888), (8, 20546180), (10, 16436944), (16, 10273090), (20, 8218472), (31, 5302240), (32, 5136545), (40, 4109236), (62, 2651120), (80, 2054618), (124, 1325560), (155, 1060448), (160, 1027309), (248, 662780), (310, 530224), (496, 331390), (620, 265112), (961, 171040), (992, 165695), (1069, 153760), (1240, 132556), (1922, 85520), (2138, 76880), (2480, 66278), (3844, 42760), (4276, 38440), (4805, 34208), (4960, 33139), (5345, 30752), (7688, 21380), (8552, 19220), (9610, 17104), (10690, 15376)]