20178086160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1\times {\mathrm{2591}}^1$

素因数の和:3521

約数の個数: 160

約数和(自身を含む): 64340739072

約数和(自身を除く): 44162652912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 877, 888, 1110, 1480, 1754, 1776, 2220, 2591, 2631, 2960, 3508, 4385, 4440, 5182, 5262, 7016, 7773, 8770, 8880, 10364, 10524, 12955, 13155, 14032, 15546, 17540, 20728, 21048, 25910, 26310, 31092, 32449, 35080, 38865, 41456, 42096, 51820, 52620, 62184, 64898, 70160, 77730, 95867, 97347, 103640, 105240, 124368, 129796, 155460, 162245, 191734, 194694, 207280, 210480, 259592, 287601, 310920, 324490, 383468, 389388, 479335, 486735, 519184, 575202, 621840, 648980, 766936, 778776, 958670, 973470, 1150404, 1297960, 1438005, 1533872, 1557552, 1917340, 1946940, 2272307, 2300808, 2595920, 2876010, 3834680, 3893880, 4544614, 4601616, 5752020, 6816921, 7669360, 7787760, 9089228, 11361535, 11504040, 13633842, 18178456, 22723070, 23008080, 27267684, 34084605, 36356912, 45446140, 54535368, 68169210, 84075359, 90892280, 109070736, 136338420, 168150718, 181784560, 252226077, 272676840, 336301436, 420376795, 504452154, 545353680, 672602872, 840753590, 1008904308, 1261130385, 1345205744, 1681507180, 2017808616, 2522260770, 3363014360, 4035617232, 5044521540, 6726028720, 10089043080, 20178086160]

約数ペア:

[(1, 20178086160), (2, 10089043080), (3, 6726028720), (4, 5044521540), (5, 4035617232), (6, 3363014360), (8, 2522260770), (10, 2017808616), (12, 1681507180), (15, 1345205744), (16, 1261130385), (20, 1008904308), (24, 840753590), (30, 672602872), (37, 545353680), (40, 504452154), (48, 420376795), (60, 336301436), (74, 272676840), (80, 252226077), (111, 181784560), (120, 168150718), (148, 136338420), (185, 109070736), (222, 90892280), (240, 84075359), (296, 68169210), (370, 54535368), (444, 45446140), (555, 36356912), (592, 34084605), (740, 27267684), (877, 23008080), (888, 22723070), (1110, 18178456), (1480, 13633842), (1754, 11504040), (1776, 11361535), (2220, 9089228), (2591, 7787760), (2631, 7669360), (2960, 6816921), (3508, 5752020), (4385, 4601616), (4440, 4544614), (5182, 3893880), (5262, 3834680), (7016, 2876010), (7773, 2595920), (8770, 2300808), (8880, 2272307), (10364, 1946940), (10524, 1917340), (12955, 1557552), (13155, 1533872), (14032, 1438005), (15546, 1297960), (17540, 1150404), (20728, 973470), (21048, 958670), (25910, 778776), (26310, 766936), (31092, 648980), (32449, 621840), (35080, 575202), (38865, 519184), (41456, 486735), (42096, 479335), (51820, 389388), (52620, 383468), (62184, 324490), (64898, 310920), (70160, 287601), (77730, 259592), (95867, 210480), (97347, 207280), (103640, 194694), (105240, 191734), (124368, 162245), (129796, 155460)]