66886820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 190366848

約数和(自身を除く): 123480028

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 169, 182, 220, 257, 260, 286, 308, 338, 364, 385, 455, 514, 572, 676, 715, 770, 845, 910, 1001, 1028, 1183, 1285, 1430, 1540, 1690, 1799, 1820, 1859, 2002, 2366, 2570, 2827, 2860, 3341, 3380, 3598, 3718, 4004, 4732, 5005, 5140, 5654, 5915, 6682, 7196, 7436, 8995, 9295, 10010, 11308, 11830, 13013, 13364, 14135, 16705, 17990, 18590, 19789, 20020, 23387, 23660, 26026, 28270, 33410, 35980, 36751, 37180, 39578, 43433, 46774, 52052, 56540, 65065, 66820, 73502, 79156, 86866, 93548, 98945, 116935, 130130, 147004, 173732, 183755, 197890, 217165, 233870, 257257, 260260, 304031, 367510, 395780, 434330, 467740, 477763, 514514, 608062, 735020, 868660, 955526, 1029028, 1216124, 1286285, 1520155, 1911052, 2388815, 2572570, 3040310, 3344341, 4777630, 5145140, 6080620, 6688682, 9555260, 13377364, 16721705, 33443410, 66886820]

約数ペア:

[(1, 66886820), (2, 33443410), (4, 16721705), (5, 13377364), (7, 9555260), (10, 6688682), (11, 6080620), (13, 5145140), (14, 4777630), (20, 3344341), (22, 3040310), (26, 2572570), (28, 2388815), (35, 1911052), (44, 1520155), (52, 1286285), (55, 1216124), (65, 1029028), (70, 955526), (77, 868660), (91, 735020), (110, 608062), (130, 514514), (140, 477763), (143, 467740), (154, 434330), (169, 395780), (182, 367510), (220, 304031), (257, 260260), (260, 257257), (286, 233870), (308, 217165), (338, 197890), (364, 183755), (385, 173732), (455, 147004), (514, 130130), (572, 116935), (676, 98945), (715, 93548), (770, 86866), (845, 79156), (910, 73502), (1001, 66820), (1028, 65065), (1183, 56540), (1285, 52052), (1430, 46774), (1540, 43433), (1690, 39578), (1799, 37180), (1820, 36751), (1859, 35980), (2002, 33410), (2366, 28270), (2570, 26026), (2827, 23660), (2860, 23387), (3341, 20020), (3380, 19789), (3598, 18590), (3718, 17990), (4004, 16705), (4732, 14135), (5005, 13364), (5140, 13013), (5654, 11830), (5915, 11308), (6682, 10010), (7196, 9295), (7436, 8995)]