1639998720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4909}}^1$

素因数の和:4965

約数の個数: 216

約数和(自身を含む): 5871083400

約数和(自身を除く): 4231084680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 144, 145, 160, 174, 180, 192, 232, 240, 256, 261, 288, 290, 320, 348, 360, 384, 435, 464, 480, 522, 576, 580, 640, 696, 720, 768, 870, 928, 960, 1044, 1152, 1160, 1280, 1305, 1392, 1440, 1740, 1856, 1920, 2088, 2304, 2320, 2610, 2784, 2880, 3480, 3712, 3840, 4176, 4640, 4909, 5220, 5568, 5760, 6960, 7424, 8352, 9280, 9818, 10440, 11136, 11520, 13920, 14727, 16704, 18560, 19636, 20880, 22272, 24545, 27840, 29454, 33408, 37120, 39272, 41760, 44181, 49090, 55680, 58908, 66816, 73635, 78544, 83520, 88362, 98180, 111360, 117816, 142361, 147270, 157088, 167040, 176724, 196360, 220905, 235632, 284722, 294540, 314176, 334080, 353448, 392720, 427083, 441810, 471264, 569444, 589080, 628352, 706896, 711805, 785440, 854166, 883620, 942528, 1138888, 1178160, 1256704, 1281249, 1413792, 1423610, 1570880, 1708332, 1767240, 1885056, 2135415, 2277776, 2356320, 2562498, 2827584, 2847220, 3141760, 3416664, 3534480, 3770112, 4270830, 4555552, 4712640, 5124996, 5655168, 5694440, 6283520, 6406245, 6833328, 7068960, 8541660, 9111104, 9425280, 10249992, 11310336, 11388880, 12812490, 13666656, 14137920, 17083320, 18222208, 18850560, 20499984, 22777760, 25624980, 27333312, 28275840, 34166640, 36444416, 40999968, 45555520, 51249960, 54666624, 56551680, 68333280, 81999936, 91111040, 102499920, 109333248, 136666560, 163999872, 182222080, 204999840, 273333120, 327999744, 409999680, 546666240, 819999360, 1639998720]

約数ペア:

[(1, 1639998720), (2, 819999360), (3, 546666240), (4, 409999680), (5, 327999744), (6, 273333120), (8, 204999840), (9, 182222080), (10, 163999872), (12, 136666560), (15, 109333248), (16, 102499920), (18, 91111040), (20, 81999936), (24, 68333280), (29, 56551680), (30, 54666624), (32, 51249960), (36, 45555520), (40, 40999968), (45, 36444416), (48, 34166640), (58, 28275840), (60, 27333312), (64, 25624980), (72, 22777760), (80, 20499984), (87, 18850560), (90, 18222208), (96, 17083320), (116, 14137920), (120, 13666656), (128, 12812490), (144, 11388880), (145, 11310336), (160, 10249992), (174, 9425280), (180, 9111104), (192, 8541660), (232, 7068960), (240, 6833328), (256, 6406245), (261, 6283520), (288, 5694440), (290, 5655168), (320, 5124996), (348, 4712640), (360, 4555552), (384, 4270830), (435, 3770112), (464, 3534480), (480, 3416664), (522, 3141760), (576, 2847220), (580, 2827584), (640, 2562498), (696, 2356320), (720, 2277776), (768, 2135415), (870, 1885056), (928, 1767240), (960, 1708332), (1044, 1570880), (1152, 1423610), (1160, 1413792), (1280, 1281249), (1305, 1256704), (1392, 1178160), (1440, 1138888), (1740, 942528), (1856, 883620), (1920, 854166), (2088, 785440), (2304, 711805), (2320, 706896), (2610, 628352), (2784, 589080), (2880, 569444), (3480, 471264), (3712, 441810), (3840, 427083), (4176, 392720), (4640, 353448), (4909, 334080), (5220, 314176), (5568, 294540), (5760, 284722), (6960, 235632), (7424, 220905), (8352, 196360), (9280, 176724), (9818, 167040), (10440, 157088), (11136, 147270), (11520, 142361), (13920, 117816), (14727, 111360), (16704, 98180), (18560, 88362), (19636, 83520), (20880, 78544), (22272, 73635), (24545, 66816), (27840, 58908), (29454, 55680), (33408, 49090), (37120, 44181), (39272, 41760)]