258436640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1907}}^1$

素因数の和:1951

約数の個数: 144

約数和(自身を含む): 767382336

約数和(自身を除く): 508945696

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 242, 280, 308, 352, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1120, 1210, 1232, 1540, 1694, 1760, 1907, 1936, 2420, 2464, 3080, 3388, 3814, 3872, 4235, 4840, 6160, 6776, 7628, 8470, 9535, 9680, 12320, 13349, 13552, 15256, 16940, 19070, 19360, 20977, 26698, 27104, 30512, 33880, 38140, 41954, 53396, 61024, 66745, 67760, 76280, 83908, 104885, 106792, 133490, 135520, 146839, 152560, 167816, 209770, 213584, 230747, 266980, 293678, 305120, 335632, 419540, 427168, 461494, 533960, 587356, 671264, 734195, 839080, 922988, 1067920, 1153735, 1174712, 1468390, 1615229, 1678160, 1845976, 2135840, 2307470, 2349424, 2936780, 3230458, 3356320, 3691952, 4614940, 4698848, 5873560, 6460916, 7383904, 8076145, 9229880, 11747120, 12921832, 16152290, 18459760, 23494240, 25843664, 32304580, 36919520, 51687328, 64609160, 129218320, 258436640]

約数ペア:

[(1, 258436640), (2, 129218320), (4, 64609160), (5, 51687328), (7, 36919520), (8, 32304580), (10, 25843664), (11, 23494240), (14, 18459760), (16, 16152290), (20, 12921832), (22, 11747120), (28, 9229880), (32, 8076145), (35, 7383904), (40, 6460916), (44, 5873560), (55, 4698848), (56, 4614940), (70, 3691952), (77, 3356320), (80, 3230458), (88, 2936780), (110, 2349424), (112, 2307470), (121, 2135840), (140, 1845976), (154, 1678160), (160, 1615229), (176, 1468390), (220, 1174712), (224, 1153735), (242, 1067920), (280, 922988), (308, 839080), (352, 734195), (385, 671264), (440, 587356), (484, 533960), (560, 461494), (605, 427168), (616, 419540), (770, 335632), (847, 305120), (880, 293678), (968, 266980), (1120, 230747), (1210, 213584), (1232, 209770), (1540, 167816), (1694, 152560), (1760, 146839), (1907, 135520), (1936, 133490), (2420, 106792), (2464, 104885), (3080, 83908), (3388, 76280), (3814, 67760), (3872, 66745), (4235, 61024), (4840, 53396), (6160, 41954), (6776, 38140), (7628, 33880), (8470, 30512), (9535, 27104), (9680, 26698), (12320, 20977), (13349, 19360), (13552, 19070), (15256, 16940)]