855280440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17863}}^1$

素因数の和:17906

約数の個数: 192

約数和(自身を含む): 3344140800

約数和(自身を除く): 2488860360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3420, 3990, 4788, 5320, 5985, 6840, 7980, 9576, 11970, 15960, 17863, 23940, 35726, 47880, 53589, 71452, 89315, 107178, 125041, 142904, 160767, 178630, 214356, 250082, 267945, 321534, 339397, 357260, 375123, 428712, 500164, 535890, 625205, 643068, 678794, 714520, 750246, 803835, 1000328, 1018191, 1071780, 1125369, 1250410, 1286136, 1357588, 1500492, 1607670, 1696985, 1875615, 2036382, 2143560, 2250738, 2375779, 2500820, 2715176, 3000984, 3054573, 3215340, 3393970, 3751230, 4072764, 4501476, 4751558, 5001640, 5090955, 5626845, 6109146, 6430680, 6787940, 7127337, 7502460, 8145528, 9002952, 9503116, 10181910, 11253690, 11878895, 12218292, 13575880, 14254674, 15004920, 15272865, 19006232, 20363820, 21382011, 22507380, 23757790, 24436584, 28509348, 30545730, 35636685, 40727640, 42764022, 45014760, 47515580, 57018696, 61091460, 71273370, 85528044, 95031160, 106910055, 122182920, 142546740, 171056088, 213820110, 285093480, 427640220, 855280440]

約数ペア:

[(1, 855280440), (2, 427640220), (3, 285093480), (4, 213820110), (5, 171056088), (6, 142546740), (7, 122182920), (8, 106910055), (9, 95031160), (10, 85528044), (12, 71273370), (14, 61091460), (15, 57018696), (18, 47515580), (19, 45014760), (20, 42764022), (21, 40727640), (24, 35636685), (28, 30545730), (30, 28509348), (35, 24436584), (36, 23757790), (38, 22507380), (40, 21382011), (42, 20363820), (45, 19006232), (56, 15272865), (57, 15004920), (60, 14254674), (63, 13575880), (70, 12218292), (72, 11878895), (76, 11253690), (84, 10181910), (90, 9503116), (95, 9002952), (105, 8145528), (114, 7502460), (120, 7127337), (126, 6787940), (133, 6430680), (140, 6109146), (152, 5626845), (168, 5090955), (171, 5001640), (180, 4751558), (190, 4501476), (210, 4072764), (228, 3751230), (252, 3393970), (266, 3215340), (280, 3054573), (285, 3000984), (315, 2715176), (342, 2500820), (360, 2375779), (380, 2250738), (399, 2143560), (420, 2036382), (456, 1875615), (504, 1696985), (532, 1607670), (570, 1500492), (630, 1357588), (665, 1286136), (684, 1250410), (760, 1125369), (798, 1071780), (840, 1018191), (855, 1000328), (1064, 803835), (1140, 750246), (1197, 714520), (1260, 678794), (1330, 643068), (1368, 625205), (1596, 535890), (1710, 500164), (1995, 428712), (2280, 375123), (2394, 357260), (2520, 339397), (2660, 321534), (3192, 267945), (3420, 250082), (3990, 214356), (4788, 178630), (5320, 160767), (5985, 142904), (6840, 125041), (7980, 107178), (9576, 89315), (11970, 71452), (15960, 53589), (17863, 47880), (23940, 35726)]