68820180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{617}}^1$

素因数の和:666

約数の個数: 144

約数和(自身を含む): 227997504

約数和(自身を除く): 159177324

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 169, 195, 220, 260, 286, 330, 338, 390, 429, 507, 572, 617, 660, 676, 715, 780, 845, 858, 1014, 1234, 1430, 1690, 1716, 1851, 1859, 2028, 2145, 2468, 2535, 2860, 3085, 3380, 3702, 3718, 4290, 5070, 5577, 6170, 6787, 7404, 7436, 8021, 8580, 9255, 9295, 10140, 11154, 12340, 13574, 16042, 18510, 18590, 20361, 22308, 24063, 27148, 27885, 32084, 33935, 37020, 37180, 40105, 40722, 48126, 55770, 67870, 80210, 81444, 88231, 96252, 101805, 104273, 111540, 120315, 135740, 160420, 176462, 203610, 208546, 240630, 264693, 312819, 352924, 407220, 417092, 441155, 481260, 521365, 529386, 625638, 882310, 1042730, 1058772, 1147003, 1251276, 1323465, 1564095, 1764620, 2085460, 2294006, 2646930, 3128190, 3441009, 4588012, 5293860, 5735015, 6256380, 6882018, 11470030, 13764036, 17205045, 22940060, 34410090, 68820180]

約数ペア:

[(1, 68820180), (2, 34410090), (3, 22940060), (4, 17205045), (5, 13764036), (6, 11470030), (10, 6882018), (11, 6256380), (12, 5735015), (13, 5293860), (15, 4588012), (20, 3441009), (22, 3128190), (26, 2646930), (30, 2294006), (33, 2085460), (39, 1764620), (44, 1564095), (52, 1323465), (55, 1251276), (60, 1147003), (65, 1058772), (66, 1042730), (78, 882310), (110, 625638), (130, 529386), (132, 521365), (143, 481260), (156, 441155), (165, 417092), (169, 407220), (195, 352924), (220, 312819), (260, 264693), (286, 240630), (330, 208546), (338, 203610), (390, 176462), (429, 160420), (507, 135740), (572, 120315), (617, 111540), (660, 104273), (676, 101805), (715, 96252), (780, 88231), (845, 81444), (858, 80210), (1014, 67870), (1234, 55770), (1430, 48126), (1690, 40722), (1716, 40105), (1851, 37180), (1859, 37020), (2028, 33935), (2145, 32084), (2468, 27885), (2535, 27148), (2860, 24063), (3085, 22308), (3380, 20361), (3702, 18590), (3718, 18510), (4290, 16042), (5070, 13574), (5577, 12340), (6170, 11154), (6787, 10140), (7404, 9295), (7436, 9255), (8021, 8580)]