20160154840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1\times {\mathrm{3547}}^1$

素因数の和:4001

約数の個数: 128

約数和(自身を含む): 52971356160

約数和(自身を除く): 32811201320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 383, 424, 530, 742, 766, 1060, 1484, 1532, 1855, 1915, 2120, 2681, 2968, 3064, 3547, 3710, 3830, 5362, 7094, 7420, 7660, 10724, 13405, 14188, 14840, 15320, 17735, 20299, 21448, 24829, 26810, 28376, 35470, 40598, 49658, 53620, 70940, 81196, 99316, 101495, 107240, 124145, 141880, 142093, 162392, 187991, 198632, 202990, 248290, 284186, 375982, 405980, 496580, 568372, 710465, 751964, 811960, 939955, 993160, 1136744, 1315937, 1358501, 1420930, 1503928, 1879910, 2631874, 2717002, 2841860, 3759820, 5263748, 5434004, 5683720, 6579685, 6792505, 7519640, 9509507, 10527496, 10868008, 13159370, 13585010, 19019014, 26318740, 27170020, 38038028, 47547535, 52637480, 54340040, 72000553, 76076056, 95095070, 144001106, 190190140, 288002212, 360002765, 380380280, 504003871, 576004424, 720005530, 1008007742, 1440011060, 2016015484, 2520019355, 2880022120, 4032030968, 5040038710, 10080077420, 20160154840]

約数ペア:

[(1, 20160154840), (2, 10080077420), (4, 5040038710), (5, 4032030968), (7, 2880022120), (8, 2520019355), (10, 2016015484), (14, 1440011060), (20, 1008007742), (28, 720005530), (35, 576004424), (40, 504003871), (53, 380380280), (56, 360002765), (70, 288002212), (106, 190190140), (140, 144001106), (212, 95095070), (265, 76076056), (280, 72000553), (371, 54340040), (383, 52637480), (424, 47547535), (530, 38038028), (742, 27170020), (766, 26318740), (1060, 19019014), (1484, 13585010), (1532, 13159370), (1855, 10868008), (1915, 10527496), (2120, 9509507), (2681, 7519640), (2968, 6792505), (3064, 6579685), (3547, 5683720), (3710, 5434004), (3830, 5263748), (5362, 3759820), (7094, 2841860), (7420, 2717002), (7660, 2631874), (10724, 1879910), (13405, 1503928), (14188, 1420930), (14840, 1358501), (15320, 1315937), (17735, 1136744), (20299, 993160), (21448, 939955), (24829, 811960), (26810, 751964), (28376, 710465), (35470, 568372), (40598, 496580), (49658, 405980), (53620, 375982), (70940, 284186), (81196, 248290), (99316, 202990), (101495, 198632), (107240, 187991), (124145, 162392), (141880, 142093)]