720201720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{8839}}^1$

素因数の和:8957

約数の個数: 128

約数和(自身を含む): 2495001600

約数和(自身を除く): 1774799880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 388, 420, 485, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1940, 2037, 2328, 2716, 2910, 3395, 3880, 4074, 5432, 5820, 6790, 8148, 8839, 10185, 11640, 13580, 16296, 17678, 20370, 26517, 27160, 35356, 40740, 44195, 53034, 61873, 70712, 81480, 88390, 106068, 123746, 132585, 176780, 185619, 212136, 247492, 265170, 309365, 353560, 371238, 494984, 530340, 618730, 742476, 857383, 928095, 1060680, 1237460, 1484952, 1714766, 1856190, 2474920, 2572149, 3429532, 3712380, 4286915, 5144298, 6001681, 6859064, 7424760, 8573830, 10288596, 12003362, 12860745, 17147660, 18005043, 20577192, 24006724, 25721490, 30008405, 34295320, 36010086, 48013448, 51442980, 60016810, 72020172, 90025215, 102885960, 120033620, 144040344, 180050430, 240067240, 360100860, 720201720]

約数ペア:

[(1, 720201720), (2, 360100860), (3, 240067240), (4, 180050430), (5, 144040344), (6, 120033620), (7, 102885960), (8, 90025215), (10, 72020172), (12, 60016810), (14, 51442980), (15, 48013448), (20, 36010086), (21, 34295320), (24, 30008405), (28, 25721490), (30, 24006724), (35, 20577192), (40, 18005043), (42, 17147660), (56, 12860745), (60, 12003362), (70, 10288596), (84, 8573830), (97, 7424760), (105, 6859064), (120, 6001681), (140, 5144298), (168, 4286915), (194, 3712380), (210, 3429532), (280, 2572149), (291, 2474920), (388, 1856190), (420, 1714766), (485, 1484952), (582, 1237460), (679, 1060680), (776, 928095), (840, 857383), (970, 742476), (1164, 618730), (1358, 530340), (1455, 494984), (1940, 371238), (2037, 353560), (2328, 309365), (2716, 265170), (2910, 247492), (3395, 212136), (3880, 185619), (4074, 176780), (5432, 132585), (5820, 123746), (6790, 106068), (8148, 88390), (8839, 81480), (10185, 70712), (11640, 61873), (13580, 53034), (16296, 44195), (17678, 40740), (20370, 35356), (26517, 27160)]