1628403840

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{40387}}^1$

素因数の和:40419

約数の個数: 192

約数和(自身を含む): 6426538560

約数和(自身を除く): 4798134720

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, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5760, 6720, 8064, 10080, 13440, 20160, 40320, 40387, 80774, 121161, 161548, 201935, 242322, 282709, 323096, 363483, 403870, 484644, 565418, 605805, 646192, 726966, 807740, 848127, 969288, 1130836, 1211610, 1292384, 1413545, 1453932, 1615480, 1696254, 1817415, 1938576, 2261672, 2423220, 2544381, 2584768, 2827090, 2907864, 3230960, 3392508, 3634830, 3877152, 4240635, 4523344, 4846440, 5088762, 5169536, 5654180, 5815728, 6461920, 6785016, 7269660, 7754304, 8481270, 9046688, 9692880, 10177524, 11308360, 11631456, 12721905, 12923840, 13570032, 14539320, 15508608, 16962540, 18093376, 19385760, 20355048, 22616720, 23262912, 25443810, 25847680, 27140064, 29078640, 33925080, 36186752, 38771520, 40710096, 45233440, 46525824, 50887620, 54280128, 58157280, 67850160, 77543040, 81420192, 90466880, 101775240, 108560256, 116314560, 135700320, 162840384, 180933760, 203550480, 232629120, 271400640, 325680768, 407100960, 542801280, 814201920, 1628403840]

約数ペア:

[(1, 1628403840), (2, 814201920), (3, 542801280), (4, 407100960), (5, 325680768), (6, 271400640), (7, 232629120), (8, 203550480), (9, 180933760), (10, 162840384), (12, 135700320), (14, 116314560), (15, 108560256), (16, 101775240), (18, 90466880), (20, 81420192), (21, 77543040), (24, 67850160), (28, 58157280), (30, 54280128), (32, 50887620), (35, 46525824), (36, 45233440), (40, 40710096), (42, 38771520), (45, 36186752), (48, 33925080), (56, 29078640), (60, 27140064), (63, 25847680), (64, 25443810), (70, 23262912), (72, 22616720), (80, 20355048), (84, 19385760), (90, 18093376), (96, 16962540), (105, 15508608), (112, 14539320), (120, 13570032), (126, 12923840), (128, 12721905), (140, 11631456), (144, 11308360), (160, 10177524), (168, 9692880), (180, 9046688), (192, 8481270), (210, 7754304), (224, 7269660), (240, 6785016), (252, 6461920), (280, 5815728), (288, 5654180), (315, 5169536), (320, 5088762), (336, 4846440), (360, 4523344), (384, 4240635), (420, 3877152), (448, 3634830), (480, 3392508), (504, 3230960), (560, 2907864), (576, 2827090), (630, 2584768), (640, 2544381), (672, 2423220), (720, 2261672), (840, 1938576), (896, 1817415), (960, 1696254), (1008, 1615480), (1120, 1453932), (1152, 1413545), (1260, 1292384), (1344, 1211610), (1440, 1130836), (1680, 969288), (1920, 848127), (2016, 807740), (2240, 726966), (2520, 646192), (2688, 605805), (2880, 565418), (3360, 484644), (4032, 403870), (4480, 363483), (5040, 323096), (5760, 282709), (6720, 242322), (8064, 201935), (10080, 161548), (13440, 121161), (20160, 80774), (40320, 40387)]