248640861420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2503}}^1\times {\mathrm{78839}}^1$

素因数の和:81364

約数の個数: 144

約数和(自身を含む): 862310292480

約数和(自身を除く): 613669431060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2503, 5006, 7509, 10012, 12515, 15018, 17521, 22527, 25030, 30036, 35042, 37545, 45054, 50060, 52563, 70084, 75090, 78839, 87605, 90108, 105126, 112635, 150180, 157678, 157689, 175210, 210252, 225270, 236517, 262815, 315356, 315378, 350420, 394195, 450540, 473034, 525630, 551873, 630756, 709551, 788390, 788445, 946068, 1051260, 1103746, 1182585, 1419102, 1576780, 1576890, 1655619, 2207492, 2365170, 2759365, 2838204, 3153780, 3311238, 3547755, 4730340, 4966857, 5518730, 6622476, 7095510, 8278095, 9933714, 11037460, 14191020, 16556190, 19867428, 24834285, 33112380, 49668570, 99337140, 197334017, 394668034, 592002051, 789336068, 986670085, 1184004102, 1381338119, 1776006153, 1973340170, 2368008204, 2762676238, 2960010255, 3552012306, 3946680340, 4144014357, 5525352476, 5920020510, 6906690595, 7104024612, 8288028714, 8880030765, 11840041020, 12432043071, 13813381190, 16576057428, 17760061530, 20720071785, 24864086142, 27626762380, 35520123060, 41440143570, 49728172284, 62160215355, 82880287140, 124320430710, 248640861420]

約数ペア:

[(1, 248640861420), (2, 124320430710), (3, 82880287140), (4, 62160215355), (5, 49728172284), (6, 41440143570), (7, 35520123060), (9, 27626762380), (10, 24864086142), (12, 20720071785), (14, 17760061530), (15, 16576057428), (18, 13813381190), (20, 12432043071), (21, 11840041020), (28, 8880030765), (30, 8288028714), (35, 7104024612), (36, 6906690595), (42, 5920020510), (45, 5525352476), (60, 4144014357), (63, 3946680340), (70, 3552012306), (84, 2960010255), (90, 2762676238), (105, 2368008204), (126, 1973340170), (140, 1776006153), (180, 1381338119), (210, 1184004102), (252, 986670085), (315, 789336068), (420, 592002051), (630, 394668034), (1260, 197334017), (2503, 99337140), (5006, 49668570), (7509, 33112380), (10012, 24834285), (12515, 19867428), (15018, 16556190), (17521, 14191020), (22527, 11037460), (25030, 9933714), (30036, 8278095), (35042, 7095510), (37545, 6622476), (45054, 5518730), (50060, 4966857), (52563, 4730340), (70084, 3547755), (75090, 3311238), (78839, 3153780), (87605, 2838204), (90108, 2759365), (105126, 2365170), (112635, 2207492), (150180, 1655619), (157678, 1576890), (157689, 1576780), (175210, 1419102), (210252, 1182585), (225270, 1103746), (236517, 1051260), (262815, 946068), (315356, 788445), (315378, 788390), (350420, 709551), (394195, 630756), (450540, 551873), (473034, 525630)]