638023320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:287

約数の個数: 288

約数和(自身を含む): 2317966560

約数和(自身を除く): 1679943240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 97, 99, 110, 120, 121, 132, 151, 165, 180, 194, 198, 220, 242, 264, 291, 302, 330, 360, 363, 388, 396, 440, 453, 484, 485, 495, 582, 604, 605, 660, 726, 755, 776, 792, 873, 906, 968, 970, 990, 1067, 1089, 1164, 1208, 1210, 1320, 1359, 1452, 1455, 1510, 1661, 1746, 1812, 1815, 1940, 1980, 2134, 2178, 2265, 2328, 2420, 2718, 2904, 2910, 3020, 3201, 3322, 3492, 3624, 3630, 3880, 3960, 4268, 4356, 4365, 4530, 4840, 4983, 5335, 5436, 5445, 5820, 6040, 6402, 6644, 6795, 6984, 7260, 8305, 8536, 8712, 8730, 9060, 9603, 9966, 10670, 10872, 10890, 11640, 11737, 12804, 13288, 13590, 14520, 14647, 14949, 16005, 16610, 17460, 18120, 18271, 19206, 19932, 21340, 21780, 23474, 24915, 25608, 27180, 29294, 29898, 32010, 33220, 34920, 35211, 36542, 38412, 39864, 42680, 43560, 43941, 46948, 48015, 49830, 54360, 54813, 58588, 58685, 59796, 64020, 66440, 70422, 73084, 73235, 74745, 76824, 87882, 91355, 93896, 96030, 99660, 105633, 109626, 117176, 117370, 119592, 128040, 131823, 140844, 146168, 146470, 149490, 161117, 164439, 175764, 176055, 182710, 192060, 199320, 211266, 219252, 219705, 234740, 263646, 274065, 281688, 292940, 298980, 322234, 328878, 351528, 352110, 365420, 384120, 422532, 438504, 439410, 469480, 483351, 527292, 528165, 548130, 585880, 597960, 644468, 657756, 659115, 704220, 730840, 805585, 822195, 845064, 878820, 966702, 1054584, 1056330, 1096260, 1288936, 1315512, 1318230, 1408440, 1450053, 1611170, 1644390, 1757640, 1772287, 1933404, 2112660, 2192520, 2416755, 2636460, 2900106, 3222340, 3288780, 3544574, 3866808, 4225320, 4833510, 5272920, 5316861, 5800212, 6444680, 6577560, 7089148, 7250265, 8861435, 9667020, 10633722, 11600424, 14178296, 14500530, 15950583, 17722870, 19334040, 21267444, 26584305, 29001060, 31901166, 35445740, 42534888, 53168610, 58002120, 63802332, 70891480, 79752915, 106337220, 127604664, 159505830, 212674440, 319011660, 638023320]

約数ペア:

[(1, 638023320), (2, 319011660), (3, 212674440), (4, 159505830), (5, 127604664), (6, 106337220), (8, 79752915), (9, 70891480), (10, 63802332), (11, 58002120), (12, 53168610), (15, 42534888), (18, 35445740), (20, 31901166), (22, 29001060), (24, 26584305), (30, 21267444), (33, 19334040), (36, 17722870), (40, 15950583), (44, 14500530), (45, 14178296), (55, 11600424), (60, 10633722), (66, 9667020), (72, 8861435), (88, 7250265), (90, 7089148), (97, 6577560), (99, 6444680), (110, 5800212), (120, 5316861), (121, 5272920), (132, 4833510), (151, 4225320), (165, 3866808), (180, 3544574), (194, 3288780), (198, 3222340), (220, 2900106), (242, 2636460), (264, 2416755), (291, 2192520), (302, 2112660), (330, 1933404), (360, 1772287), (363, 1757640), (388, 1644390), (396, 1611170), (440, 1450053), (453, 1408440), (484, 1318230), (485, 1315512), (495, 1288936), (582, 1096260), (604, 1056330), (605, 1054584), (660, 966702), (726, 878820), (755, 845064), (776, 822195), (792, 805585), (873, 730840), (906, 704220), (968, 659115), (970, 657756), (990, 644468), (1067, 597960), (1089, 585880), (1164, 548130), (1208, 528165), (1210, 527292), (1320, 483351), (1359, 469480), (1452, 439410), (1455, 438504), (1510, 422532), (1661, 384120), (1746, 365420), (1812, 352110), (1815, 351528), (1940, 328878), (1980, 322234), (2134, 298980), (2178, 292940), (2265, 281688), (2328, 274065), (2420, 263646), (2718, 234740), (2904, 219705), (2910, 219252), (3020, 211266), (3201, 199320), (3322, 192060), (3492, 182710), (3624, 176055), (3630, 175764), (3880, 164439), (3960, 161117), (4268, 149490), (4356, 146470), (4365, 146168), (4530, 140844), (4840, 131823), (4983, 128040), (5335, 119592), (5436, 117370), (5445, 117176), (5820, 109626), (6040, 105633), (6402, 99660), (6644, 96030), (6795, 93896), (6984, 91355), (7260, 87882), (8305, 76824), (8536, 74745), (8712, 73235), (8730, 73084), (9060, 70422), (9603, 66440), (9966, 64020), (10670, 59796), (10872, 58685), (10890, 58588), (11640, 54813), (11737, 54360), (12804, 49830), (13288, 48015), (13590, 46948), (14520, 43941), (14647, 43560), (14949, 42680), (16005, 39864), (16610, 38412), (17460, 36542), (18120, 35211), (18271, 34920), (19206, 33220), (19932, 32010), (21340, 29898), (21780, 29294), (23474, 27180), (24915, 25608)]