280078920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:796

約数の個数: 192

約数和(自身を含む): 1003803840

約数和(自身を除く): 723724920

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, 99, 107, 110, 120, 132, 165, 180, 198, 214, 220, 264, 321, 330, 360, 396, 428, 440, 495, 535, 642, 660, 661, 792, 856, 963, 990, 1070, 1177, 1284, 1320, 1322, 1605, 1926, 1980, 1983, 2140, 2354, 2568, 2644, 3210, 3305, 3531, 3852, 3960, 3966, 4280, 4708, 4815, 5288, 5885, 5949, 6420, 6610, 7062, 7271, 7704, 7932, 9416, 9630, 9915, 10593, 11770, 11898, 12840, 13220, 14124, 14542, 15864, 17655, 19260, 19830, 21186, 21813, 23540, 23796, 26440, 28248, 29084, 29745, 35310, 36355, 38520, 39660, 42372, 43626, 47080, 47592, 52965, 58168, 59490, 65439, 70620, 70727, 72710, 79320, 84744, 87252, 105930, 109065, 118980, 130878, 141240, 141454, 145420, 174504, 211860, 212181, 218130, 237960, 261756, 282908, 290840, 327195, 353635, 423720, 424362, 436260, 523512, 565816, 636543, 654390, 707270, 777997, 848724, 872520, 1060905, 1273086, 1308780, 1414540, 1555994, 1697448, 2121810, 2333991, 2546172, 2617560, 2829080, 3111988, 3182715, 3889985, 4243620, 4667982, 5092344, 6223976, 6365430, 7001973, 7779970, 8487240, 9335964, 11669955, 12730860, 14003946, 15559940, 18671928, 23339910, 25461720, 28007892, 31119880, 35009865, 46679820, 56015784, 70019730, 93359640, 140039460, 280078920]

約数ペア:

[(1, 280078920), (2, 140039460), (3, 93359640), (4, 70019730), (5, 56015784), (6, 46679820), (8, 35009865), (9, 31119880), (10, 28007892), (11, 25461720), (12, 23339910), (15, 18671928), (18, 15559940), (20, 14003946), (22, 12730860), (24, 11669955), (30, 9335964), (33, 8487240), (36, 7779970), (40, 7001973), (44, 6365430), (45, 6223976), (55, 5092344), (60, 4667982), (66, 4243620), (72, 3889985), (88, 3182715), (90, 3111988), (99, 2829080), (107, 2617560), (110, 2546172), (120, 2333991), (132, 2121810), (165, 1697448), (180, 1555994), (198, 1414540), (214, 1308780), (220, 1273086), (264, 1060905), (321, 872520), (330, 848724), (360, 777997), (396, 707270), (428, 654390), (440, 636543), (495, 565816), (535, 523512), (642, 436260), (660, 424362), (661, 423720), (792, 353635), (856, 327195), (963, 290840), (990, 282908), (1070, 261756), (1177, 237960), (1284, 218130), (1320, 212181), (1322, 211860), (1605, 174504), (1926, 145420), (1980, 141454), (1983, 141240), (2140, 130878), (2354, 118980), (2568, 109065), (2644, 105930), (3210, 87252), (3305, 84744), (3531, 79320), (3852, 72710), (3960, 70727), (3966, 70620), (4280, 65439), (4708, 59490), (4815, 58168), (5288, 52965), (5885, 47592), (5949, 47080), (6420, 43626), (6610, 42372), (7062, 39660), (7271, 38520), (7704, 36355), (7932, 35310), (9416, 29745), (9630, 29084), (9915, 28248), (10593, 26440), (11770, 23796), (11898, 23540), (12840, 21813), (13220, 21186), (14124, 19830), (14542, 19260), (15864, 17655)]