81728640

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{2027}}^1$

素因数の和:2059

約数の個数: 192

約数和(自身を含む): 322695360

約数和(自身を除く): 240966720

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, 2027, 2240, 2520, 2688, 2880, 3360, 4032, 4054, 4480, 5040, 5760, 6081, 6720, 8064, 8108, 10080, 10135, 12162, 13440, 14189, 16216, 18243, 20160, 20270, 24324, 28378, 30405, 32432, 36486, 40320, 40540, 42567, 48648, 56756, 60810, 64864, 70945, 72972, 81080, 85134, 91215, 97296, 113512, 121620, 127701, 129728, 141890, 145944, 162160, 170268, 182430, 194592, 212835, 227024, 243240, 255402, 259456, 283780, 291888, 324320, 340536, 364860, 389184, 425670, 454048, 486480, 510804, 567560, 583776, 638505, 648640, 681072, 729720, 778368, 851340, 908096, 972960, 1021608, 1135120, 1167552, 1277010, 1297280, 1362144, 1459440, 1702680, 1816192, 1945920, 2043216, 2270240, 2335104, 2554020, 2724288, 2918880, 3405360, 3891840, 4086432, 4540480, 5108040, 5448576, 5837760, 6810720, 8172864, 9080960, 10216080, 11675520, 13621440, 16345728, 20432160, 27242880, 40864320, 81728640]

約数ペア:

[(1, 81728640), (2, 40864320), (3, 27242880), (4, 20432160), (5, 16345728), (6, 13621440), (7, 11675520), (8, 10216080), (9, 9080960), (10, 8172864), (12, 6810720), (14, 5837760), (15, 5448576), (16, 5108040), (18, 4540480), (20, 4086432), (21, 3891840), (24, 3405360), (28, 2918880), (30, 2724288), (32, 2554020), (35, 2335104), (36, 2270240), (40, 2043216), (42, 1945920), (45, 1816192), (48, 1702680), (56, 1459440), (60, 1362144), (63, 1297280), (64, 1277010), (70, 1167552), (72, 1135120), (80, 1021608), (84, 972960), (90, 908096), (96, 851340), (105, 778368), (112, 729720), (120, 681072), (126, 648640), (128, 638505), (140, 583776), (144, 567560), (160, 510804), (168, 486480), (180, 454048), (192, 425670), (210, 389184), (224, 364860), (240, 340536), (252, 324320), (280, 291888), (288, 283780), (315, 259456), (320, 255402), (336, 243240), (360, 227024), (384, 212835), (420, 194592), (448, 182430), (480, 170268), (504, 162160), (560, 145944), (576, 141890), (630, 129728), (640, 127701), (672, 121620), (720, 113512), (840, 97296), (896, 91215), (960, 85134), (1008, 81080), (1120, 72972), (1152, 70945), (1260, 64864), (1344, 60810), (1440, 56756), (1680, 48648), (1920, 42567), (2016, 40540), (2027, 40320), (2240, 36486), (2520, 32432), (2688, 30405), (2880, 28378), (3360, 24324), (4032, 20270), (4054, 20160), (4480, 18243), (5040, 16216), (5760, 14189), (6081, 13440), (6720, 12162), (8064, 10135), (8108, 10080)]