80493840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{15971}}^1$

素因数の和:15997

約数の個数: 120

約数和(自身を含む): 308962368

約数和(自身を除く): 228468528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 15971, 31942, 47913, 63884, 79855, 95826, 111797, 127768, 143739, 159710, 191652, 223594, 239565, 255536, 287478, 319420, 335391, 383304, 447188, 479130, 558985, 574956, 638840, 670782, 718695, 766608, 894376, 958260, 1006173, 1117970, 1149912, 1277680, 1341564, 1437390, 1676955, 1788752, 1916520, 2012346, 2235940, 2299824, 2683128, 2874780, 3353910, 3833040, 4024692, 4471880, 5030865, 5366256, 5749560, 6707820, 8049384, 8943760, 10061730, 11499120, 13415640, 16098768, 20123460, 26831280, 40246920, 80493840]

約数ペア:

[(1, 80493840), (2, 40246920), (3, 26831280), (4, 20123460), (5, 16098768), (6, 13415640), (7, 11499120), (8, 10061730), (9, 8943760), (10, 8049384), (12, 6707820), (14, 5749560), (15, 5366256), (16, 5030865), (18, 4471880), (20, 4024692), (21, 3833040), (24, 3353910), (28, 2874780), (30, 2683128), (35, 2299824), (36, 2235940), (40, 2012346), (42, 1916520), (45, 1788752), (48, 1676955), (56, 1437390), (60, 1341564), (63, 1277680), (70, 1149912), (72, 1117970), (80, 1006173), (84, 958260), (90, 894376), (105, 766608), (112, 718695), (120, 670782), (126, 638840), (140, 574956), (144, 558985), (168, 479130), (180, 447188), (210, 383304), (240, 335391), (252, 319420), (280, 287478), (315, 255536), (336, 239565), (360, 223594), (420, 191652), (504, 159710), (560, 143739), (630, 127768), (720, 111797), (840, 95826), (1008, 79855), (1260, 63884), (1680, 47913), (2520, 31942), (5040, 15971)]