261256555890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{328637}}^1$

素因数の和:328745

約数の個数: 144

約数和(自身を含む): 756862515864

約数和(自身を除く): 495605959974

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 73, 90, 99, 110, 121, 146, 165, 198, 219, 242, 330, 363, 365, 438, 495, 605, 657, 726, 730, 803, 990, 1089, 1095, 1210, 1314, 1606, 1815, 2178, 2190, 2409, 3285, 3630, 4015, 4818, 5445, 6570, 7227, 8030, 8833, 10890, 12045, 14454, 17666, 24090, 26499, 36135, 44165, 52998, 72270, 79497, 88330, 132495, 158994, 264990, 328637, 397485, 657274, 794970, 985911, 1643185, 1971822, 2957733, 3286370, 3615007, 4929555, 5915466, 7230014, 9859110, 10845021, 14788665, 18075035, 21690042, 23990501, 29577330, 32535063, 36150070, 39765077, 47981002, 54225105, 65070126, 71971503, 79530154, 108450210, 119295231, 119952505, 143943006, 162675315, 198825385, 215914509, 238590462, 239905010, 263895511, 325350630, 357885693, 359857515, 397650770, 431829018, 527791022, 596476155, 715771386, 719715030, 791686533, 1079572545, 1192952310, 1319477555, 1583373066, 1789428465, 2159145090, 2375059599, 2638955110, 2902850621, 3578856930, 3958432665, 4750119198, 5805701242, 7916865330, 8708551863, 11875297995, 14514253105, 17417103726, 23750595990, 26125655589, 29028506210, 43542759315, 52251311178, 87085518630, 130628277945, 261256555890]

約数ペア:

[(1, 261256555890), (2, 130628277945), (3, 87085518630), (5, 52251311178), (6, 43542759315), (9, 29028506210), (10, 26125655589), (11, 23750595990), (15, 17417103726), (18, 14514253105), (22, 11875297995), (30, 8708551863), (33, 7916865330), (45, 5805701242), (55, 4750119198), (66, 3958432665), (73, 3578856930), (90, 2902850621), (99, 2638955110), (110, 2375059599), (121, 2159145090), (146, 1789428465), (165, 1583373066), (198, 1319477555), (219, 1192952310), (242, 1079572545), (330, 791686533), (363, 719715030), (365, 715771386), (438, 596476155), (495, 527791022), (605, 431829018), (657, 397650770), (726, 359857515), (730, 357885693), (803, 325350630), (990, 263895511), (1089, 239905010), (1095, 238590462), (1210, 215914509), (1314, 198825385), (1606, 162675315), (1815, 143943006), (2178, 119952505), (2190, 119295231), (2409, 108450210), (3285, 79530154), (3630, 71971503), (4015, 65070126), (4818, 54225105), (5445, 47981002), (6570, 39765077), (7227, 36150070), (8030, 32535063), (8833, 29577330), (10890, 23990501), (12045, 21690042), (14454, 18075035), (17666, 14788665), (24090, 10845021), (26499, 9859110), (36135, 7230014), (44165, 5915466), (52998, 4929555), (72270, 3615007), (79497, 3286370), (88330, 2957733), (132495, 1971822), (158994, 1643185), (264990, 985911), (328637, 794970), (397485, 657274)]