281060640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{27883}}^1$

素因数の和:27911

約数の個数: 144

約数和(自身を含む): 1096175808

約数和(自身を除く): 815115168

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, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 27883, 55766, 83649, 111532, 139415, 167298, 195181, 223064, 250947, 278830, 334596, 390362, 418245, 446128, 501894, 557660, 585543, 669192, 780724, 836490, 892256, 975905, 1003788, 1115320, 1171086, 1254735, 1338384, 1561448, 1672980, 1756629, 1951810, 2007576, 2230640, 2342172, 2509470, 2676768, 2927715, 3122896, 3345960, 3513258, 3903620, 4015152, 4461280, 4684344, 5018940, 5855430, 6245792, 6691920, 7026516, 7807240, 8030304, 8783145, 9368688, 10037880, 11710860, 13383840, 14053032, 15614480, 17566290, 18737376, 20075760, 23421720, 28106064, 31228960, 35132580, 40151520, 46843440, 56212128, 70265160, 93686880, 140530320, 281060640]

約数ペア:

[(1, 281060640), (2, 140530320), (3, 93686880), (4, 70265160), (5, 56212128), (6, 46843440), (7, 40151520), (8, 35132580), (9, 31228960), (10, 28106064), (12, 23421720), (14, 20075760), (15, 18737376), (16, 17566290), (18, 15614480), (20, 14053032), (21, 13383840), (24, 11710860), (28, 10037880), (30, 9368688), (32, 8783145), (35, 8030304), (36, 7807240), (40, 7026516), (42, 6691920), (45, 6245792), (48, 5855430), (56, 5018940), (60, 4684344), (63, 4461280), (70, 4015152), (72, 3903620), (80, 3513258), (84, 3345960), (90, 3122896), (96, 2927715), (105, 2676768), (112, 2509470), (120, 2342172), (126, 2230640), (140, 2007576), (144, 1951810), (160, 1756629), (168, 1672980), (180, 1561448), (210, 1338384), (224, 1254735), (240, 1171086), (252, 1115320), (280, 1003788), (288, 975905), (315, 892256), (336, 836490), (360, 780724), (420, 669192), (480, 585543), (504, 557660), (560, 501894), (630, 446128), (672, 418245), (720, 390362), (840, 334596), (1008, 278830), (1120, 250947), (1260, 223064), (1440, 195181), (1680, 167298), (2016, 139415), (2520, 111532), (3360, 83649), (5040, 55766), (10080, 27883)]