20825231280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{252979}}^1$

素因数の和:253016

約数の個数: 160

約数和(自身を含む): 75286848000

約数和(自身を除く): 54461616720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3430, 3920, 4116, 5145, 5488, 5880, 6860, 8232, 10290, 11760, 13720, 16464, 20580, 27440, 41160, 82320, 252979, 505958, 758937, 1011916, 1264895, 1517874, 1770853, 2023832, 2529790, 3035748, 3541706, 3794685, 4047664, 5059580, 5312559, 6071496, 7083412, 7589370, 8854265, 10119160, 10625118, 12142992, 12395971, 14166824, 15178740, 17708530, 20238320, 21250236, 24791942, 26562795, 28333648, 30357480, 35417060, 37187913, 42500472, 49583884, 53125590, 60714960, 61979855, 70834120, 74375826, 85000944, 86771797, 99167768, 106251180, 123959710, 141668240, 148751652, 173543594, 185939565, 198335536, 212502360, 247919420, 260315391, 297503304, 347087188, 371879130, 425004720, 433858985, 495838840, 520630782, 595006608, 694174376, 743758260, 867717970, 991677680, 1041261564, 1301576955, 1388348752, 1487516520, 1735435940, 2082523128, 2603153910, 2975033040, 3470871880, 4165046256, 5206307820, 6941743760, 10412615640, 20825231280]

約数ペア:

[(1, 20825231280), (2, 10412615640), (3, 6941743760), (4, 5206307820), (5, 4165046256), (6, 3470871880), (7, 2975033040), (8, 2603153910), (10, 2082523128), (12, 1735435940), (14, 1487516520), (15, 1388348752), (16, 1301576955), (20, 1041261564), (21, 991677680), (24, 867717970), (28, 743758260), (30, 694174376), (35, 595006608), (40, 520630782), (42, 495838840), (48, 433858985), (49, 425004720), (56, 371879130), (60, 347087188), (70, 297503304), (80, 260315391), (84, 247919420), (98, 212502360), (105, 198335536), (112, 185939565), (120, 173543594), (140, 148751652), (147, 141668240), (168, 123959710), (196, 106251180), (210, 99167768), (240, 86771797), (245, 85000944), (280, 74375826), (294, 70834120), (336, 61979855), (343, 60714960), (392, 53125590), (420, 49583884), (490, 42500472), (560, 37187913), (588, 35417060), (686, 30357480), (735, 28333648), (784, 26562795), (840, 24791942), (980, 21250236), (1029, 20238320), (1176, 17708530), (1372, 15178740), (1470, 14166824), (1680, 12395971), (1715, 12142992), (1960, 10625118), (2058, 10119160), (2352, 8854265), (2744, 7589370), (2940, 7083412), (3430, 6071496), (3920, 5312559), (4116, 5059580), (5145, 4047664), (5488, 3794685), (5880, 3541706), (6860, 3035748), (8232, 2529790), (10290, 2023832), (11760, 1770853), (13720, 1517874), (16464, 1264895), (20580, 1011916), (27440, 758937), (41160, 505958), (82320, 252979)]