20160786870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{811}}^1\times {\mathrm{1879}}^1$

素因数の和:2720

約数の個数: 192

約数和(自身を含む): 62650022400

約数和(自身を除く): 42489235530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 811, 882, 945, 1323, 1470, 1622, 1879, 1890, 2205, 2433, 2646, 3758, 4055, 4410, 4866, 5637, 5677, 6615, 7299, 8110, 9395, 11274, 11354, 12165, 13153, 13230, 14598, 16911, 17031, 18790, 21897, 24330, 26306, 28185, 28385, 33822, 34062, 36495, 39459, 39739, 43794, 50733, 51093, 56370, 56770, 65765, 72990, 78918, 79478, 84555, 85155, 92071, 101466, 102186, 109485, 118377, 119217, 131530, 153279, 169110, 170310, 184142, 197295, 198695, 218970, 236754, 238434, 253665, 255465, 276213, 306558, 355131, 357651, 394590, 397390, 460355, 507330, 510930, 552426, 591885, 596085, 710262, 715302, 766395, 828639, 920710, 1072953, 1183770, 1192170, 1381065, 1523869, 1532790, 1657278, 1775655, 1788255, 2145906, 2485917, 2762130, 3047738, 3551310, 3576510, 4143195, 4571607, 4971834, 5364765, 7619345, 8286390, 9143214, 10667083, 10729530, 12429585, 13714821, 15238690, 21334166, 22858035, 24859170, 27429642, 32001249, 41144463, 45716070, 53335415, 64002498, 68574105, 74669581, 82288926, 96003747, 106670830, 137148210, 149339162, 160006245, 192007494, 205722315, 224008743, 288011241, 320012490, 373347905, 411444630, 448017486, 480018735, 576022482, 672026229, 746695810, 960037470, 1120043715, 1344052458, 1440056205, 2016078687, 2240087430, 2880112410, 3360131145, 4032157374, 6720262290, 10080393435, 20160786870]

約数ペア:

[(1, 20160786870), (2, 10080393435), (3, 6720262290), (5, 4032157374), (6, 3360131145), (7, 2880112410), (9, 2240087430), (10, 2016078687), (14, 1440056205), (15, 1344052458), (18, 1120043715), (21, 960037470), (27, 746695810), (30, 672026229), (35, 576022482), (42, 480018735), (45, 448017486), (49, 411444630), (54, 373347905), (63, 320012490), (70, 288011241), (90, 224008743), (98, 205722315), (105, 192007494), (126, 160006245), (135, 149339162), (147, 137148210), (189, 106670830), (210, 96003747), (245, 82288926), (270, 74669581), (294, 68574105), (315, 64002498), (378, 53335415), (441, 45716070), (490, 41144463), (630, 32001249), (735, 27429642), (811, 24859170), (882, 22858035), (945, 21334166), (1323, 15238690), (1470, 13714821), (1622, 12429585), (1879, 10729530), (1890, 10667083), (2205, 9143214), (2433, 8286390), (2646, 7619345), (3758, 5364765), (4055, 4971834), (4410, 4571607), (4866, 4143195), (5637, 3576510), (5677, 3551310), (6615, 3047738), (7299, 2762130), (8110, 2485917), (9395, 2145906), (11274, 1788255), (11354, 1775655), (12165, 1657278), (13153, 1532790), (13230, 1523869), (14598, 1381065), (16911, 1192170), (17031, 1183770), (18790, 1072953), (21897, 920710), (24330, 828639), (26306, 766395), (28185, 715302), (28385, 710262), (33822, 596085), (34062, 591885), (36495, 552426), (39459, 510930), (39739, 507330), (43794, 460355), (50733, 397390), (51093, 394590), (56370, 357651), (56770, 355131), (65765, 306558), (72990, 276213), (78918, 255465), (79478, 253665), (84555, 238434), (85155, 236754), (92071, 218970), (101466, 198695), (102186, 197295), (109485, 184142), (118377, 170310), (119217, 169110), (131530, 153279)]