20151639160

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{563}}^1$

素因数の和:941

約数の個数: 128

約数和(自身を含む): 47170252800

約数和(自身を除く): 27018613640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 241, 316, 376, 395, 470, 482, 563, 632, 790, 940, 964, 1126, 1205, 1580, 1880, 1928, 2252, 2410, 2815, 3160, 3713, 4504, 4820, 5630, 7426, 9640, 11260, 11327, 14852, 18565, 19039, 22520, 22654, 26461, 29704, 37130, 38078, 44477, 45308, 52922, 56635, 74260, 76156, 88954, 90616, 95195, 105844, 113270, 132305, 135683, 148520, 152312, 177908, 190390, 211688, 222385, 226540, 264610, 271366, 355816, 380780, 444770, 453080, 529220, 542732, 678415, 761560, 889540, 894833, 1058440, 1085464, 1356830, 1779080, 1789666, 2090419, 2713660, 3579332, 4180838, 4474165, 5427320, 6377101, 7158664, 8361676, 8948330, 10452095, 10718957, 12754202, 16723352, 17896660, 20904190, 21437914, 25508404, 31885505, 35793320, 41808380, 42875828, 51016808, 53594785, 63771010, 83616760, 85751656, 107189570, 127542020, 214379140, 255084040, 428758280, 503790979, 1007581958, 2015163916, 2518954895, 4030327832, 5037909790, 10075819580, 20151639160]

約数ペア:

[(1, 20151639160), (2, 10075819580), (4, 5037909790), (5, 4030327832), (8, 2518954895), (10, 2015163916), (20, 1007581958), (40, 503790979), (47, 428758280), (79, 255084040), (94, 214379140), (158, 127542020), (188, 107189570), (235, 85751656), (241, 83616760), (316, 63771010), (376, 53594785), (395, 51016808), (470, 42875828), (482, 41808380), (563, 35793320), (632, 31885505), (790, 25508404), (940, 21437914), (964, 20904190), (1126, 17896660), (1205, 16723352), (1580, 12754202), (1880, 10718957), (1928, 10452095), (2252, 8948330), (2410, 8361676), (2815, 7158664), (3160, 6377101), (3713, 5427320), (4504, 4474165), (4820, 4180838), (5630, 3579332), (7426, 2713660), (9640, 2090419), (11260, 1789666), (11327, 1779080), (14852, 1356830), (18565, 1085464), (19039, 1058440), (22520, 894833), (22654, 889540), (26461, 761560), (29704, 678415), (37130, 542732), (38078, 529220), (44477, 453080), (45308, 444770), (52922, 380780), (56635, 355816), (74260, 271366), (76156, 264610), (88954, 226540), (90616, 222385), (95195, 211688), (105844, 190390), (113270, 177908), (132305, 152312), (135683, 148520)]