20972382120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1\times {\mathrm{1013}}^1$

素因数の和:1600

約数の個数: 192

約数和(自身を含む): 68904950400

約数和(自身を除く): 47932568280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 131, 180, 262, 360, 393, 439, 524, 655, 786, 878, 1013, 1048, 1179, 1310, 1317, 1572, 1756, 1965, 2026, 2195, 2358, 2620, 2634, 3039, 3144, 3512, 3930, 3951, 4052, 4390, 4716, 5065, 5240, 5268, 5895, 6078, 6585, 7860, 7902, 8104, 8780, 9117, 9432, 10130, 10536, 11790, 12156, 13170, 15195, 15720, 15804, 17560, 18234, 19755, 20260, 23580, 24312, 26340, 30390, 31608, 36468, 39510, 40520, 45585, 47160, 52680, 57509, 60780, 72936, 79020, 91170, 115018, 121560, 132703, 158040, 172527, 182340, 230036, 265406, 287545, 345054, 364680, 398109, 444707, 460072, 517581, 530812, 575090, 663515, 690108, 796218, 862635, 889414, 1035162, 1061624, 1150180, 1194327, 1327030, 1334121, 1380216, 1592436, 1725270, 1778828, 1990545, 2070324, 2223535, 2300360, 2388654, 2587905, 2654060, 2668242, 3184872, 3450540, 3557656, 3981090, 4002363, 4140648, 4447070, 4777308, 5175810, 5308120, 5336484, 5971635, 6670605, 6901080, 7962180, 8004726, 8894140, 9554616, 10351620, 10672968, 11943270, 13341210, 15924360, 16009452, 17788280, 20011815, 20703240, 23886540, 26682420, 32018904, 40023630, 47773080, 53364840, 58256617, 80047260, 116513234, 160094520, 174769851, 233026468, 291283085, 349539702, 466052936, 524309553, 582566170, 699079404, 873849255, 1048619106, 1165132340, 1398158808, 1747698510, 2097238212, 2330264680, 2621547765, 3495397020, 4194476424, 5243095530, 6990794040, 10486191060, 20972382120]

約数ペア:

[(1, 20972382120), (2, 10486191060), (3, 6990794040), (4, 5243095530), (5, 4194476424), (6, 3495397020), (8, 2621547765), (9, 2330264680), (10, 2097238212), (12, 1747698510), (15, 1398158808), (18, 1165132340), (20, 1048619106), (24, 873849255), (30, 699079404), (36, 582566170), (40, 524309553), (45, 466052936), (60, 349539702), (72, 291283085), (90, 233026468), (120, 174769851), (131, 160094520), (180, 116513234), (262, 80047260), (360, 58256617), (393, 53364840), (439, 47773080), (524, 40023630), (655, 32018904), (786, 26682420), (878, 23886540), (1013, 20703240), (1048, 20011815), (1179, 17788280), (1310, 16009452), (1317, 15924360), (1572, 13341210), (1756, 11943270), (1965, 10672968), (2026, 10351620), (2195, 9554616), (2358, 8894140), (2620, 8004726), (2634, 7962180), (3039, 6901080), (3144, 6670605), (3512, 5971635), (3930, 5336484), (3951, 5308120), (4052, 5175810), (4390, 4777308), (4716, 4447070), (5065, 4140648), (5240, 4002363), (5268, 3981090), (5895, 3557656), (6078, 3450540), (6585, 3184872), (7860, 2668242), (7902, 2654060), (8104, 2587905), (8780, 2388654), (9117, 2300360), (9432, 2223535), (10130, 2070324), (10536, 1990545), (11790, 1778828), (12156, 1725270), (13170, 1592436), (15195, 1380216), (15720, 1334121), (15804, 1327030), (17560, 1194327), (18234, 1150180), (19755, 1061624), (20260, 1035162), (23580, 889414), (24312, 862635), (26340, 796218), (30390, 690108), (31608, 663515), (36468, 575090), (39510, 530812), (40520, 517581), (45585, 460072), (47160, 444707), (52680, 398109), (57509, 364680), (60780, 345054), (72936, 287545), (79020, 265406), (91170, 230036), (115018, 182340), (121560, 172527), (132703, 158040)]