79627680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{457}}^1$

素因数の和:500

約数の個数: 216

約数和(自身を含む): 299331396

約数和(自身を除く): 219703716

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 121, 132, 144, 160, 165, 176, 180, 198, 220, 240, 242, 264, 288, 330, 352, 360, 363, 396, 440, 457, 480, 484, 495, 528, 605, 660, 720, 726, 792, 880, 914, 968, 990, 1056, 1089, 1210, 1320, 1371, 1440, 1452, 1584, 1760, 1815, 1828, 1936, 1980, 2178, 2285, 2420, 2640, 2742, 2904, 3168, 3630, 3656, 3872, 3960, 4113, 4356, 4570, 4840, 5027, 5280, 5445, 5484, 5808, 6855, 7260, 7312, 7920, 8226, 8712, 9140, 9680, 10054, 10890, 10968, 11616, 13710, 14520, 14624, 15081, 15840, 16452, 17424, 18280, 19360, 20108, 20565, 21780, 21936, 25135, 27420, 29040, 30162, 32904, 34848, 36560, 40216, 41130, 43560, 43872, 45243, 50270, 54840, 55297, 58080, 60324, 65808, 73120, 75405, 80432, 82260, 87120, 90486, 100540, 109680, 110594, 120648, 131616, 150810, 160864, 164520, 165891, 174240, 180972, 201080, 219360, 221188, 226215, 241296, 276485, 301620, 329040, 331782, 361944, 402160, 442376, 452430, 482592, 497673, 552970, 603240, 658080, 663564, 723888, 804320, 829455, 884752, 904860, 995346, 1105940, 1206480, 1327128, 1447776, 1658910, 1769504, 1809720, 1990692, 2211880, 2412960, 2488365, 2654256, 3317820, 3619440, 3981384, 4423760, 4976730, 5308512, 6635640, 7238880, 7962768, 8847520, 9953460, 13271280, 15925536, 19906920, 26542560, 39813840, 79627680]

約数ペア:

[(1, 79627680), (2, 39813840), (3, 26542560), (4, 19906920), (5, 15925536), (6, 13271280), (8, 9953460), (9, 8847520), (10, 7962768), (11, 7238880), (12, 6635640), (15, 5308512), (16, 4976730), (18, 4423760), (20, 3981384), (22, 3619440), (24, 3317820), (30, 2654256), (32, 2488365), (33, 2412960), (36, 2211880), (40, 1990692), (44, 1809720), (45, 1769504), (48, 1658910), (55, 1447776), (60, 1327128), (66, 1206480), (72, 1105940), (80, 995346), (88, 904860), (90, 884752), (96, 829455), (99, 804320), (110, 723888), (120, 663564), (121, 658080), (132, 603240), (144, 552970), (160, 497673), (165, 482592), (176, 452430), (180, 442376), (198, 402160), (220, 361944), (240, 331782), (242, 329040), (264, 301620), (288, 276485), (330, 241296), (352, 226215), (360, 221188), (363, 219360), (396, 201080), (440, 180972), (457, 174240), (480, 165891), (484, 164520), (495, 160864), (528, 150810), (605, 131616), (660, 120648), (720, 110594), (726, 109680), (792, 100540), (880, 90486), (914, 87120), (968, 82260), (990, 80432), (1056, 75405), (1089, 73120), (1210, 65808), (1320, 60324), (1371, 58080), (1440, 55297), (1452, 54840), (1584, 50270), (1760, 45243), (1815, 43872), (1828, 43560), (1936, 41130), (1980, 40216), (2178, 36560), (2285, 34848), (2420, 32904), (2640, 30162), (2742, 29040), (2904, 27420), (3168, 25135), (3630, 21936), (3656, 21780), (3872, 20565), (3960, 20108), (4113, 19360), (4356, 18280), (4570, 17424), (4840, 16452), (5027, 15840), (5280, 15081), (5445, 14624), (5484, 14520), (5808, 13710), (6855, 11616), (7260, 10968), (7312, 10890), (7920, 10054), (8226, 9680), (8712, 9140)]