321975360

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{15971}}^1$

素因数の和:16001

約数の個数: 168

約数和(自身を含む): 1265749056

約数和(自身を除く): 943773696

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, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 15971, 20160, 31942, 47913, 63884, 79855, 95826, 111797, 127768, 143739, 159710, 191652, 223594, 239565, 255536, 287478, 319420, 335391, 383304, 447188, 479130, 511072, 558985, 574956, 638840, 670782, 718695, 766608, 894376, 958260, 1006173, 1022144, 1117970, 1149912, 1277680, 1341564, 1437390, 1533216, 1676955, 1788752, 1916520, 2012346, 2235940, 2299824, 2555360, 2683128, 2874780, 3066432, 3353910, 3577504, 3833040, 4024692, 4471880, 4599648, 5030865, 5110720, 5366256, 5749560, 6707820, 7155008, 7666080, 8049384, 8943760, 9199296, 10061730, 10732512, 11499120, 13415640, 15332160, 16098768, 17887520, 20123460, 21465024, 22998240, 26831280, 32197536, 35775040, 40246920, 45996480, 53662560, 64395072, 80493840, 107325120, 160987680, 321975360]

約数ペア:

[(1, 321975360), (2, 160987680), (3, 107325120), (4, 80493840), (5, 64395072), (6, 53662560), (7, 45996480), (8, 40246920), (9, 35775040), (10, 32197536), (12, 26831280), (14, 22998240), (15, 21465024), (16, 20123460), (18, 17887520), (20, 16098768), (21, 15332160), (24, 13415640), (28, 11499120), (30, 10732512), (32, 10061730), (35, 9199296), (36, 8943760), (40, 8049384), (42, 7666080), (45, 7155008), (48, 6707820), (56, 5749560), (60, 5366256), (63, 5110720), (64, 5030865), (70, 4599648), (72, 4471880), (80, 4024692), (84, 3833040), (90, 3577504), (96, 3353910), (105, 3066432), (112, 2874780), (120, 2683128), (126, 2555360), (140, 2299824), (144, 2235940), (160, 2012346), (168, 1916520), (180, 1788752), (192, 1676955), (210, 1533216), (224, 1437390), (240, 1341564), (252, 1277680), (280, 1149912), (288, 1117970), (315, 1022144), (320, 1006173), (336, 958260), (360, 894376), (420, 766608), (448, 718695), (480, 670782), (504, 638840), (560, 574956), (576, 558985), (630, 511072), (672, 479130), (720, 447188), (840, 383304), (960, 335391), (1008, 319420), (1120, 287478), (1260, 255536), (1344, 239565), (1440, 223594), (1680, 191652), (2016, 159710), (2240, 143739), (2520, 127768), (2880, 111797), (3360, 95826), (4032, 79855), (5040, 63884), (6720, 47913), (10080, 31942), (15971, 20160)]