644997780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:404

約数の個数: 288

約数和(自身を含む): 2362214400

約数和(自身を除く): 1717216620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 180, 186, 196, 210, 217, 245, 252, 279, 294, 310, 315, 337, 343, 372, 420, 434, 441, 465, 490, 558, 588, 620, 630, 651, 674, 686, 735, 868, 882, 930, 980, 1011, 1029, 1085, 1116, 1260, 1302, 1348, 1372, 1395, 1470, 1519, 1685, 1715, 1764, 1860, 1953, 2022, 2058, 2170, 2205, 2359, 2604, 2790, 2940, 3033, 3038, 3087, 3255, 3370, 3430, 3906, 4044, 4116, 4340, 4410, 4557, 4718, 5055, 5145, 5580, 6066, 6076, 6174, 6510, 6740, 6860, 7077, 7595, 7812, 8820, 9114, 9436, 9765, 10110, 10290, 10447, 10633, 11795, 12132, 12348, 13020, 13671, 14154, 15165, 15190, 15435, 16513, 18228, 19530, 20220, 20580, 20894, 21231, 21266, 22785, 23590, 27342, 28308, 30330, 30380, 30870, 31341, 31899, 33026, 35385, 39060, 41788, 42462, 42532, 45570, 47180, 49539, 52235, 53165, 54684, 60660, 61740, 62682, 63798, 66052, 68355, 70770, 73129, 82565, 84924, 91140, 94023, 95697, 99078, 104470, 106155, 106330, 115591, 125364, 127596, 136710, 141540, 146258, 148617, 156705, 159495, 165130, 188046, 191394, 198156, 208940, 212310, 212660, 219387, 231182, 247695, 273420, 292516, 297234, 313410, 318990, 330260, 346773, 365645, 376092, 382788, 424620, 438774, 462364, 470115, 478485, 495390, 511903, 577955, 594468, 626820, 637980, 658161, 693546, 731290, 743085, 877548, 940230, 956970, 990780, 1023806, 1040319, 1096935, 1155910, 1316322, 1387092, 1462580, 1486170, 1535709, 1733865, 1880460, 1913940, 2047612, 2080638, 2193870, 2311820, 2559515, 2632644, 2972340, 3071418, 3290805, 3467730, 3583321, 4161276, 4387740, 4607127, 5119030, 5201595, 6142836, 6581610, 6935460, 7166642, 7678545, 9214254, 10238060, 10403190, 10749963, 13163220, 14333284, 15357090, 17916605, 18428508, 20806380, 21499926, 23035635, 30714180, 32249889, 35833210, 42999852, 46071270, 53749815, 64499778, 71666420, 92142540, 107499630, 128999556, 161249445, 214999260, 322498890, 644997780]

約数ペア:

[(1, 644997780), (2, 322498890), (3, 214999260), (4, 161249445), (5, 128999556), (6, 107499630), (7, 92142540), (9, 71666420), (10, 64499778), (12, 53749815), (14, 46071270), (15, 42999852), (18, 35833210), (20, 32249889), (21, 30714180), (28, 23035635), (30, 21499926), (31, 20806380), (35, 18428508), (36, 17916605), (42, 15357090), (45, 14333284), (49, 13163220), (60, 10749963), (62, 10403190), (63, 10238060), (70, 9214254), (84, 7678545), (90, 7166642), (93, 6935460), (98, 6581610), (105, 6142836), (124, 5201595), (126, 5119030), (140, 4607127), (147, 4387740), (155, 4161276), (180, 3583321), (186, 3467730), (196, 3290805), (210, 3071418), (217, 2972340), (245, 2632644), (252, 2559515), (279, 2311820), (294, 2193870), (310, 2080638), (315, 2047612), (337, 1913940), (343, 1880460), (372, 1733865), (420, 1535709), (434, 1486170), (441, 1462580), (465, 1387092), (490, 1316322), (558, 1155910), (588, 1096935), (620, 1040319), (630, 1023806), (651, 990780), (674, 956970), (686, 940230), (735, 877548), (868, 743085), (882, 731290), (930, 693546), (980, 658161), (1011, 637980), (1029, 626820), (1085, 594468), (1116, 577955), (1260, 511903), (1302, 495390), (1348, 478485), (1372, 470115), (1395, 462364), (1470, 438774), (1519, 424620), (1685, 382788), (1715, 376092), (1764, 365645), (1860, 346773), (1953, 330260), (2022, 318990), (2058, 313410), (2170, 297234), (2205, 292516), (2359, 273420), (2604, 247695), (2790, 231182), (2940, 219387), (3033, 212660), (3038, 212310), (3087, 208940), (3255, 198156), (3370, 191394), (3430, 188046), (3906, 165130), (4044, 159495), (4116, 156705), (4340, 148617), (4410, 146258), (4557, 141540), (4718, 136710), (5055, 127596), (5145, 125364), (5580, 115591), (6066, 106330), (6076, 106155), (6174, 104470), (6510, 99078), (6740, 95697), (6860, 94023), (7077, 91140), (7595, 84924), (7812, 82565), (8820, 73129), (9114, 70770), (9436, 68355), (9765, 66052), (10110, 63798), (10290, 62682), (10447, 61740), (10633, 60660), (11795, 54684), (12132, 53165), (12348, 52235), (13020, 49539), (13671, 47180), (14154, 45570), (15165, 42532), (15190, 42462), (15435, 41788), (16513, 39060), (18228, 35385), (19530, 33026), (20220, 31899), (20580, 31341), (20894, 30870), (21231, 30380), (21266, 30330), (22785, 28308), (23590, 27342)]