20598086880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{291923}}^1$

素因数の和:291958

約数の個数: 216

約数和(自身を含む): 81767328552

約数和(自身を除く): 61169241672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 23520, 35280, 70560, 291923, 583846, 875769, 1167692, 1459615, 1751538, 2043461, 2335384, 2627307, 2919230, 3503076, 4086922, 4378845, 4670768, 5254614, 5838460, 6130383, 7006152, 8173844, 8757690, 9341536, 10217305, 10509228, 11676920, 12260766, 13136535, 14012304, 14304227, 16347688, 17515380, 18391149, 20434610, 21018456, 23353840, 24521532, 26273070, 28024608, 28608454, 30651915, 32695376, 35030760, 36782298, 40869220, 42036912, 42912681, 46707680, 49043064, 52546140, 57216908, 61303830, 65390752, 70061520, 71521135, 73564596, 81738440, 84073824, 85825362, 91955745, 98086128, 105092280, 114433816, 122607660, 128738043, 140123040, 143042270, 147129192, 163476880, 171650724, 183911490, 196172256, 210184560, 214563405, 228867632, 245215320, 257476086, 286084540, 294258384, 326953760, 343301448, 367822980, 420369120, 429126810, 457735264, 490430640, 514952172, 572169080, 588516768, 643690215, 686602896, 735645960, 858253620, 980861280, 1029904344, 1144338160, 1287380430, 1373205792, 1471291920, 1716507240, 2059808688, 2288676320, 2574760860, 2942583840, 3433014480, 4119617376, 5149521720, 6866028960, 10299043440, 20598086880]

約数ペア:

[(1, 20598086880), (2, 10299043440), (3, 6866028960), (4, 5149521720), (5, 4119617376), (6, 3433014480), (7, 2942583840), (8, 2574760860), (9, 2288676320), (10, 2059808688), (12, 1716507240), (14, 1471291920), (15, 1373205792), (16, 1287380430), (18, 1144338160), (20, 1029904344), (21, 980861280), (24, 858253620), (28, 735645960), (30, 686602896), (32, 643690215), (35, 588516768), (36, 572169080), (40, 514952172), (42, 490430640), (45, 457735264), (48, 429126810), (49, 420369120), (56, 367822980), (60, 343301448), (63, 326953760), (70, 294258384), (72, 286084540), (80, 257476086), (84, 245215320), (90, 228867632), (96, 214563405), (98, 210184560), (105, 196172256), (112, 183911490), (120, 171650724), (126, 163476880), (140, 147129192), (144, 143042270), (147, 140123040), (160, 128738043), (168, 122607660), (180, 114433816), (196, 105092280), (210, 98086128), (224, 91955745), (240, 85825362), (245, 84073824), (252, 81738440), (280, 73564596), (288, 71521135), (294, 70061520), (315, 65390752), (336, 61303830), (360, 57216908), (392, 52546140), (420, 49043064), (441, 46707680), (480, 42912681), (490, 42036912), (504, 40869220), (560, 36782298), (588, 35030760), (630, 32695376), (672, 30651915), (720, 28608454), (735, 28024608), (784, 26273070), (840, 24521532), (882, 23353840), (980, 21018456), (1008, 20434610), (1120, 18391149), (1176, 17515380), (1260, 16347688), (1440, 14304227), (1470, 14012304), (1568, 13136535), (1680, 12260766), (1764, 11676920), (1960, 10509228), (2016, 10217305), (2205, 9341536), (2352, 8757690), (2520, 8173844), (2940, 7006152), (3360, 6130383), (3528, 5838460), (3920, 5254614), (4410, 4670768), (4704, 4378845), (5040, 4086922), (5880, 3503076), (7056, 2919230), (7840, 2627307), (8820, 2335384), (10080, 2043461), (11760, 1751538), (14112, 1459615), (17640, 1167692), (23520, 875769), (35280, 583846), (70560, 291923)]