20820306240

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{40387}}^1$

素因数の和:40589

約数の個数: 168

約数和(自身を含む): 72015035040

約数和(自身を除く): 51194728800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 179, 180, 192, 240, 288, 320, 358, 360, 480, 537, 576, 716, 720, 895, 960, 1074, 1432, 1440, 1611, 1790, 2148, 2685, 2864, 2880, 3222, 3580, 4296, 5370, 5728, 6444, 7160, 8055, 8592, 10740, 11456, 12888, 14320, 16110, 17184, 21480, 25776, 28640, 32220, 34368, 40387, 42960, 51552, 57280, 64440, 80774, 85920, 103104, 121161, 128880, 161548, 171840, 201935, 242322, 257760, 323096, 363483, 403870, 484644, 515520, 605805, 646192, 726966, 807740, 969288, 1211610, 1292384, 1453932, 1615480, 1817415, 1938576, 2423220, 2584768, 2907864, 3230960, 3634830, 3877152, 4846440, 5815728, 6461920, 7229273, 7269660, 7754304, 9692880, 11631456, 12923840, 14458546, 14539320, 19385760, 21687819, 23262912, 28917092, 29078640, 36146365, 38771520, 43375638, 57834184, 58157280, 65063457, 72292730, 86751276, 108439095, 115668368, 116314560, 130126914, 144585460, 173502552, 216878190, 231336736, 260253828, 289170920, 325317285, 347005104, 433756380, 462673472, 520507656, 578341840, 650634570, 694010208, 867512760, 1041015312, 1156683680, 1301269140, 1388020416, 1735025520, 2082030624, 2313367360, 2602538280, 3470051040, 4164061248, 5205076560, 6940102080, 10410153120, 20820306240]

約数ペア:

[(1, 20820306240), (2, 10410153120), (3, 6940102080), (4, 5205076560), (5, 4164061248), (6, 3470051040), (8, 2602538280), (9, 2313367360), (10, 2082030624), (12, 1735025520), (15, 1388020416), (16, 1301269140), (18, 1156683680), (20, 1041015312), (24, 867512760), (30, 694010208), (32, 650634570), (36, 578341840), (40, 520507656), (45, 462673472), (48, 433756380), (60, 347005104), (64, 325317285), (72, 289170920), (80, 260253828), (90, 231336736), (96, 216878190), (120, 173502552), (144, 144585460), (160, 130126914), (179, 116314560), (180, 115668368), (192, 108439095), (240, 86751276), (288, 72292730), (320, 65063457), (358, 58157280), (360, 57834184), (480, 43375638), (537, 38771520), (576, 36146365), (716, 29078640), (720, 28917092), (895, 23262912), (960, 21687819), (1074, 19385760), (1432, 14539320), (1440, 14458546), (1611, 12923840), (1790, 11631456), (2148, 9692880), (2685, 7754304), (2864, 7269660), (2880, 7229273), (3222, 6461920), (3580, 5815728), (4296, 4846440), (5370, 3877152), (5728, 3634830), (6444, 3230960), (7160, 2907864), (8055, 2584768), (8592, 2423220), (10740, 1938576), (11456, 1817415), (12888, 1615480), (14320, 1453932), (16110, 1292384), (17184, 1211610), (21480, 969288), (25776, 807740), (28640, 726966), (32220, 646192), (34368, 605805), (40387, 515520), (42960, 484644), (51552, 403870), (57280, 363483), (64440, 323096), (80774, 257760), (85920, 242322), (103104, 201935), (121161, 171840), (128880, 161548)]