251541360

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1776

約数の個数: 240

約数和(自身を含む): 999311040

約数和(自身を除く): 747769680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 105, 112, 116, 120, 126, 140, 144, 145, 168, 174, 180, 203, 210, 232, 240, 252, 261, 280, 290, 315, 336, 348, 360, 406, 420, 435, 464, 504, 522, 560, 580, 609, 630, 696, 720, 812, 840, 870, 1008, 1015, 1044, 1160, 1218, 1260, 1305, 1392, 1624, 1680, 1721, 1740, 1827, 2030, 2088, 2320, 2436, 2520, 2610, 3045, 3248, 3442, 3480, 3654, 4060, 4176, 4872, 5040, 5163, 5220, 6090, 6884, 6960, 7308, 8120, 8605, 9135, 9744, 10326, 10440, 12047, 12180, 13768, 14616, 15489, 16240, 17210, 18270, 20652, 20880, 24094, 24360, 25815, 27536, 29232, 30978, 34420, 36141, 36540, 41304, 48188, 48720, 49909, 51630, 60235, 61956, 68840, 72282, 73080, 77445, 82608, 96376, 99818, 103260, 108423, 120470, 123912, 137680, 144564, 146160, 149727, 154890, 180705, 192752, 199636, 206520, 216846, 240940, 247824, 249545, 289128, 299454, 309780, 349363, 361410, 399272, 413040, 433692, 449181, 481880, 499090, 542115, 578256, 598908, 619560, 698726, 722820, 748635, 798544, 867384, 898362, 963760, 998180, 1048089, 1084230, 1197816, 1239120, 1397452, 1445640, 1497270, 1734768, 1746815, 1796724, 1996360, 2096178, 2168460, 2245905, 2395632, 2794904, 2891280, 2994540, 3144267, 3493630, 3593448, 3992720, 4192356, 4336920, 4491810, 5240445, 5589808, 5989080, 6288534, 6987260, 7186896, 8384712, 8673840, 8983620, 10480890, 11978160, 12577068, 13974520, 15721335, 16769424, 17967240, 20961780, 25154136, 27949040, 31442670, 35934480, 41923560, 50308272, 62885340, 83847120, 125770680, 251541360]

約数ペア:

[(1, 251541360), (2, 125770680), (3, 83847120), (4, 62885340), (5, 50308272), (6, 41923560), (7, 35934480), (8, 31442670), (9, 27949040), (10, 25154136), (12, 20961780), (14, 17967240), (15, 16769424), (16, 15721335), (18, 13974520), (20, 12577068), (21, 11978160), (24, 10480890), (28, 8983620), (29, 8673840), (30, 8384712), (35, 7186896), (36, 6987260), (40, 6288534), (42, 5989080), (45, 5589808), (48, 5240445), (56, 4491810), (58, 4336920), (60, 4192356), (63, 3992720), (70, 3593448), (72, 3493630), (80, 3144267), (84, 2994540), (87, 2891280), (90, 2794904), (105, 2395632), (112, 2245905), (116, 2168460), (120, 2096178), (126, 1996360), (140, 1796724), (144, 1746815), (145, 1734768), (168, 1497270), (174, 1445640), (180, 1397452), (203, 1239120), (210, 1197816), (232, 1084230), (240, 1048089), (252, 998180), (261, 963760), (280, 898362), (290, 867384), (315, 798544), (336, 748635), (348, 722820), (360, 698726), (406, 619560), (420, 598908), (435, 578256), (464, 542115), (504, 499090), (522, 481880), (560, 449181), (580, 433692), (609, 413040), (630, 399272), (696, 361410), (720, 349363), (812, 309780), (840, 299454), (870, 289128), (1008, 249545), (1015, 247824), (1044, 240940), (1160, 216846), (1218, 206520), (1260, 199636), (1305, 192752), (1392, 180705), (1624, 154890), (1680, 149727), (1721, 146160), (1740, 144564), (1827, 137680), (2030, 123912), (2088, 120470), (2320, 108423), (2436, 103260), (2520, 99818), (2610, 96376), (3045, 82608), (3248, 77445), (3442, 73080), (3480, 72282), (3654, 68840), (4060, 61956), (4176, 60235), (4872, 51630), (5040, 49909), (5163, 48720), (5220, 48188), (6090, 41304), (6884, 36540), (6960, 36141), (7308, 34420), (8120, 30978), (8605, 29232), (9135, 27536), (9744, 25815), (10326, 24360), (10440, 24094), (12047, 20880), (12180, 20652), (13768, 18270), (14616, 17210), (15489, 16240)]