20786678460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{1283}}^1$

素因数の和:1514

約数の個数: 240

約数和(自身を含む): 66636241056

約数和(自身を除く): 45849562596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 137, 146, 162, 180, 219, 270, 274, 292, 324, 365, 405, 411, 438, 540, 548, 657, 685, 730, 810, 822, 876, 1095, 1233, 1283, 1314, 1370, 1460, 1620, 1644, 1971, 2055, 2190, 2466, 2566, 2628, 2740, 3285, 3699, 3849, 3942, 4110, 4380, 4932, 5132, 5913, 6165, 6415, 6570, 7398, 7698, 7884, 8220, 9855, 10001, 11097, 11547, 11826, 12330, 12830, 13140, 14796, 15396, 18495, 19245, 19710, 20002, 22194, 23094, 23652, 24660, 25660, 29565, 30003, 34641, 36990, 38490, 39420, 40004, 44388, 46188, 50005, 55485, 57735, 59130, 60006, 69282, 73980, 76980, 90009, 93659, 100010, 103923, 110970, 115470, 118260, 120012, 138564, 150015, 173205, 175771, 180018, 187318, 200020, 207846, 221940, 230940, 270027, 280977, 300030, 346410, 351542, 360036, 374636, 415692, 450045, 468295, 519615, 527313, 540054, 561954, 600060, 692820, 703084, 810081, 842931, 878855, 900090, 936590, 1039230, 1054626, 1080108, 1123908, 1350135, 1404885, 1581939, 1620162, 1685862, 1757710, 1800180, 1873180, 2078460, 2109252, 2528793, 2636565, 2700270, 2809770, 3163878, 3240324, 3371724, 3515420, 4050405, 4214655, 4745817, 5057586, 5273130, 5400540, 5619540, 6327756, 7586379, 7909695, 8100810, 8429310, 9491634, 10115172, 10546260, 12643965, 12831283, 14237451, 15172758, 15819390, 16201620, 16858620, 18983268, 23729085, 25287930, 25662566, 28474902, 30345516, 31638780, 37931895, 38493849, 47458170, 50575860, 51325132, 56949804, 64156415, 71187255, 75863790, 76987698, 94916340, 115481547, 128312830, 142374510, 151727580, 153975396, 192469245, 230963094, 256625660, 284749020, 346444641, 384938490, 461926188, 577407735, 692889282, 769876980, 1039333923, 1154815470, 1385778564, 1732223205, 2078667846, 2309630940, 3464446410, 4157335692, 5196669615, 6928892820, 10393339230, 20786678460]

約数ペア:

[(1, 20786678460), (2, 10393339230), (3, 6928892820), (4, 5196669615), (5, 4157335692), (6, 3464446410), (9, 2309630940), (10, 2078667846), (12, 1732223205), (15, 1385778564), (18, 1154815470), (20, 1039333923), (27, 769876980), (30, 692889282), (36, 577407735), (45, 461926188), (54, 384938490), (60, 346444641), (73, 284749020), (81, 256625660), (90, 230963094), (108, 192469245), (135, 153975396), (137, 151727580), (146, 142374510), (162, 128312830), (180, 115481547), (219, 94916340), (270, 76987698), (274, 75863790), (292, 71187255), (324, 64156415), (365, 56949804), (405, 51325132), (411, 50575860), (438, 47458170), (540, 38493849), (548, 37931895), (657, 31638780), (685, 30345516), (730, 28474902), (810, 25662566), (822, 25287930), (876, 23729085), (1095, 18983268), (1233, 16858620), (1283, 16201620), (1314, 15819390), (1370, 15172758), (1460, 14237451), (1620, 12831283), (1644, 12643965), (1971, 10546260), (2055, 10115172), (2190, 9491634), (2466, 8429310), (2566, 8100810), (2628, 7909695), (2740, 7586379), (3285, 6327756), (3699, 5619540), (3849, 5400540), (3942, 5273130), (4110, 5057586), (4380, 4745817), (4932, 4214655), (5132, 4050405), (5913, 3515420), (6165, 3371724), (6415, 3240324), (6570, 3163878), (7398, 2809770), (7698, 2700270), (7884, 2636565), (8220, 2528793), (9855, 2109252), (10001, 2078460), (11097, 1873180), (11547, 1800180), (11826, 1757710), (12330, 1685862), (12830, 1620162), (13140, 1581939), (14796, 1404885), (15396, 1350135), (18495, 1123908), (19245, 1080108), (19710, 1054626), (20002, 1039230), (22194, 936590), (23094, 900090), (23652, 878855), (24660, 842931), (25660, 810081), (29565, 703084), (30003, 692820), (34641, 600060), (36990, 561954), (38490, 540054), (39420, 527313), (40004, 519615), (44388, 468295), (46188, 450045), (50005, 415692), (55485, 374636), (57735, 360036), (59130, 351542), (60006, 346410), (69282, 300030), (73980, 280977), (76980, 270027), (90009, 230940), (93659, 221940), (100010, 207846), (103923, 200020), (110970, 187318), (115470, 180018), (118260, 175771), (120012, 173205), (138564, 150015)]