231891840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:469

約数の個数: 192

約数和(自身を含む): 809602560

約数和(自身を除く): 577710720

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, 127, 128, 144, 160, 180, 192, 240, 254, 288, 317, 320, 360, 381, 384, 480, 508, 576, 634, 635, 640, 720, 762, 951, 960, 1016, 1143, 1152, 1268, 1270, 1440, 1524, 1585, 1902, 1905, 1920, 2032, 2286, 2536, 2540, 2853, 2880, 3048, 3170, 3804, 3810, 4064, 4572, 4755, 5072, 5080, 5706, 5715, 5760, 6096, 6340, 7608, 7620, 8128, 9144, 9510, 10144, 10160, 11412, 11430, 12192, 12680, 14265, 15216, 15240, 16256, 18288, 19020, 20288, 20320, 22824, 22860, 24384, 25360, 28530, 30432, 30480, 36576, 38040, 40259, 40576, 40640, 45648, 45720, 48768, 50720, 57060, 60864, 60960, 73152, 76080, 80518, 81280, 91296, 91440, 101440, 114120, 120777, 121728, 121920, 146304, 152160, 161036, 182592, 182880, 201295, 202880, 228240, 241554, 243840, 304320, 322072, 362331, 365184, 365760, 402590, 456480, 483108, 603885, 608640, 644144, 724662, 731520, 805180, 912960, 966216, 1207770, 1288288, 1449324, 1610360, 1811655, 1825920, 1932432, 2415540, 2576576, 2898648, 3220720, 3623310, 3864864, 4831080, 5153152, 5797296, 6441440, 7246620, 7729728, 9662160, 11594592, 12882880, 14493240, 15459456, 19324320, 23189184, 25765760, 28986480, 38648640, 46378368, 57972960, 77297280, 115945920, 231891840]

約数ペア:

[(1, 231891840), (2, 115945920), (3, 77297280), (4, 57972960), (5, 46378368), (6, 38648640), (8, 28986480), (9, 25765760), (10, 23189184), (12, 19324320), (15, 15459456), (16, 14493240), (18, 12882880), (20, 11594592), (24, 9662160), (30, 7729728), (32, 7246620), (36, 6441440), (40, 5797296), (45, 5153152), (48, 4831080), (60, 3864864), (64, 3623310), (72, 3220720), (80, 2898648), (90, 2576576), (96, 2415540), (120, 1932432), (127, 1825920), (128, 1811655), (144, 1610360), (160, 1449324), (180, 1288288), (192, 1207770), (240, 966216), (254, 912960), (288, 805180), (317, 731520), (320, 724662), (360, 644144), (381, 608640), (384, 603885), (480, 483108), (508, 456480), (576, 402590), (634, 365760), (635, 365184), (640, 362331), (720, 322072), (762, 304320), (951, 243840), (960, 241554), (1016, 228240), (1143, 202880), (1152, 201295), (1268, 182880), (1270, 182592), (1440, 161036), (1524, 152160), (1585, 146304), (1902, 121920), (1905, 121728), (1920, 120777), (2032, 114120), (2286, 101440), (2536, 91440), (2540, 91296), (2853, 81280), (2880, 80518), (3048, 76080), (3170, 73152), (3804, 60960), (3810, 60864), (4064, 57060), (4572, 50720), (4755, 48768), (5072, 45720), (5080, 45648), (5706, 40640), (5715, 40576), (5760, 40259), (6096, 38040), (6340, 36576), (7608, 30480), (7620, 30432), (8128, 28530), (9144, 25360), (9510, 24384), (10144, 22860), (10160, 22824), (11412, 20320), (11430, 20288), (12192, 19020), (12680, 18288), (14265, 16256), (15216, 15240)]