72320640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{5381}}^1$

素因数の和:5410

約数の個数: 128

約数和(自身を含む): 263502720

約数和(自身を除く): 191182080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 5381, 6720, 10762, 13440, 16143, 21524, 26905, 32286, 37667, 43048, 53810, 64572, 75334, 80715, 86096, 107620, 113001, 129144, 150668, 161430, 172192, 188335, 215240, 226002, 258288, 301336, 322860, 344384, 376670, 430480, 452004, 516576, 565005, 602672, 645720, 688768, 753340, 860960, 904008, 1033152, 1130010, 1205344, 1291440, 1506680, 1721920, 1808016, 2066304, 2260020, 2410688, 2582880, 3013360, 3443840, 3616032, 4520040, 4821376, 5165760, 6026720, 7232064, 9040080, 10331520, 12053440, 14464128, 18080160, 24106880, 36160320, 72320640]

約数ペア:

[(1, 72320640), (2, 36160320), (3, 24106880), (4, 18080160), (5, 14464128), (6, 12053440), (7, 10331520), (8, 9040080), (10, 7232064), (12, 6026720), (14, 5165760), (15, 4821376), (16, 4520040), (20, 3616032), (21, 3443840), (24, 3013360), (28, 2582880), (30, 2410688), (32, 2260020), (35, 2066304), (40, 1808016), (42, 1721920), (48, 1506680), (56, 1291440), (60, 1205344), (64, 1130010), (70, 1033152), (80, 904008), (84, 860960), (96, 753340), (105, 688768), (112, 645720), (120, 602672), (128, 565005), (140, 516576), (160, 452004), (168, 430480), (192, 376670), (210, 344384), (224, 322860), (240, 301336), (280, 258288), (320, 226002), (336, 215240), (384, 188335), (420, 172192), (448, 161430), (480, 150668), (560, 129144), (640, 113001), (672, 107620), (840, 86096), (896, 80715), (960, 75334), (1120, 64572), (1344, 53810), (1680, 43048), (1920, 37667), (2240, 32286), (2688, 26905), (3360, 21524), (4480, 16143), (5381, 13440), (6720, 10762)]