721052258680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{3631}}^1$

素因数の和:3910

約数の個数: 256

約数和(自身を含む): 1836971458560

約数和(自身を除く): 1115919199880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 97, 104, 124, 127, 130, 155, 194, 248, 254, 260, 310, 388, 403, 485, 508, 520, 620, 635, 776, 806, 970, 1016, 1240, 1261, 1270, 1612, 1651, 1940, 2015, 2522, 2540, 3007, 3224, 3302, 3631, 3880, 3937, 4030, 5044, 5080, 6014, 6305, 6604, 7262, 7874, 8060, 8255, 10088, 12028, 12319, 12610, 13208, 14524, 15035, 15748, 16120, 16510, 18155, 19685, 24056, 24638, 25220, 29048, 30070, 31496, 33020, 36310, 39091, 39370, 47203, 49276, 50440, 51181, 60140, 61595, 66040, 72620, 78182, 78740, 94406, 98552, 102362, 112561, 120280, 123190, 145240, 156364, 157480, 160147, 188812, 195455, 204724, 225122, 236015, 246380, 255905, 312728, 320294, 352207, 377624, 381889, 390910, 409448, 450244, 461137, 472030, 492760, 511810, 562805, 640588, 704414, 763778, 781820, 800735, 900488, 922274, 944060, 1023620, 1125610, 1281176, 1408828, 1463293, 1527556, 1563640, 1601470, 1761035, 1844548, 1888120, 1909445, 2047240, 2251220, 2305685, 2817656, 2926586, 3055112, 3202940, 3522070, 3689096, 3818890, 4502440, 4578691, 4611370, 4964557, 5853172, 5994781, 6405880, 7044140, 7316465, 7637780, 9157382, 9222740, 9929114, 10918417, 11706344, 11989562, 14088280, 14295247, 14632930, 15275560, 18314764, 18445480, 19858228, 21836834, 22893455, 23979124, 24822785, 28590494, 29265860, 29973905, 36629528, 39716456, 43673668, 44730289, 45786910, 47958248, 49645570, 54592085, 57180988, 58531720, 59947810, 71476235, 87347336, 89460578, 91573820, 99291140, 109184170, 114361976, 119895620, 141939421, 142952470, 178921156, 183147640, 185838211, 198582280, 218368340, 223651445, 239791240, 283878842, 285904940, 357842312, 371676422, 436736680, 447302890, 567757684, 571809880, 581493757, 709697105, 743352844, 894605780, 929191055, 1135515368, 1162987514, 1386638959, 1419394210, 1486705688, 1789211560, 1858382110, 2325975028, 2773277918, 2838788420, 2907468785, 3716764220, 4651950056, 5546555836, 5677576840, 5814937570, 6933194795, 7433528440, 11093111672, 11629875140, 13866389590, 18026306467, 23259750280, 27732779180, 36052612934, 55465558360, 72105225868, 90131532335, 144210451736, 180263064670, 360526129340, 721052258680]

約数ペア:

[(1, 721052258680), (2, 360526129340), (4, 180263064670), (5, 144210451736), (8, 90131532335), (10, 72105225868), (13, 55465558360), (20, 36052612934), (26, 27732779180), (31, 23259750280), (40, 18026306467), (52, 13866389590), (62, 11629875140), (65, 11093111672), (97, 7433528440), (104, 6933194795), (124, 5814937570), (127, 5677576840), (130, 5546555836), (155, 4651950056), (194, 3716764220), (248, 2907468785), (254, 2838788420), (260, 2773277918), (310, 2325975028), (388, 1858382110), (403, 1789211560), (485, 1486705688), (508, 1419394210), (520, 1386638959), (620, 1162987514), (635, 1135515368), (776, 929191055), (806, 894605780), (970, 743352844), (1016, 709697105), (1240, 581493757), (1261, 571809880), (1270, 567757684), (1612, 447302890), (1651, 436736680), (1940, 371676422), (2015, 357842312), (2522, 285904940), (2540, 283878842), (3007, 239791240), (3224, 223651445), (3302, 218368340), (3631, 198582280), (3880, 185838211), (3937, 183147640), (4030, 178921156), (5044, 142952470), (5080, 141939421), (6014, 119895620), (6305, 114361976), (6604, 109184170), (7262, 99291140), (7874, 91573820), (8060, 89460578), (8255, 87347336), (10088, 71476235), (12028, 59947810), (12319, 58531720), (12610, 57180988), (13208, 54592085), (14524, 49645570), (15035, 47958248), (15748, 45786910), (16120, 44730289), (16510, 43673668), (18155, 39716456), (19685, 36629528), (24056, 29973905), (24638, 29265860), (25220, 28590494), (29048, 24822785), (30070, 23979124), (31496, 22893455), (33020, 21836834), (36310, 19858228), (39091, 18445480), (39370, 18314764), (47203, 15275560), (49276, 14632930), (50440, 14295247), (51181, 14088280), (60140, 11989562), (61595, 11706344), (66040, 10918417), (72620, 9929114), (78182, 9222740), (78740, 9157382), (94406, 7637780), (98552, 7316465), (102362, 7044140), (112561, 6405880), (120280, 5994781), (123190, 5853172), (145240, 4964557), (156364, 4611370), (157480, 4578691), (160147, 4502440), (188812, 3818890), (195455, 3689096), (204724, 3522070), (225122, 3202940), (236015, 3055112), (246380, 2926586), (255905, 2817656), (312728, 2305685), (320294, 2251220), (352207, 2047240), (377624, 1909445), (381889, 1888120), (390910, 1844548), (409448, 1761035), (450244, 1601470), (461137, 1563640), (472030, 1527556), (492760, 1463293), (511810, 1408828), (562805, 1281176), (640588, 1125610), (704414, 1023620), (763778, 944060), (781820, 922274), (800735, 900488)]