19894071960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{983}}^1\times {\mathrm{2677}}^1$

素因数の和:3687

約数の個数: 256

約数和(自身を含む): 75892377600

約数和(自身を除く): 55998305640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 983, 1080, 1260, 1512, 1890, 1966, 2520, 2677, 2949, 3780, 3932, 4915, 5354, 5898, 6881, 7560, 7864, 8031, 8847, 9830, 10708, 11796, 13385, 13762, 14745, 16062, 17694, 18739, 19660, 20643, 21416, 23592, 24093, 26541, 26770, 27524, 29490, 32124, 34405, 35388, 37478, 39320, 40155, 41286, 44235, 48186, 53082, 53540, 55048, 56217, 58980, 61929, 64248, 68810, 70776, 72279, 74956, 80310, 82572, 88470, 93695, 96372, 103215, 106164, 107080, 112434, 117960, 120465, 123858, 132705, 137620, 144558, 149912, 160620, 165144, 168651, 176940, 185787, 187390, 192744, 206430, 212328, 224868, 240930, 247716, 265410, 275240, 281085, 289116, 309645, 321240, 337302, 353880, 361395, 371574, 374780, 412860, 449736, 481860, 495432, 505953, 530820, 562170, 578232, 619290, 674604, 722790, 743148, 749560, 825720, 843255, 928935, 963720, 1011906, 1061640, 1124340, 1238580, 1349208, 1445580, 1486296, 1686510, 1857870, 2023812, 2248680, 2477160, 2529765, 2631491, 2891160, 3373020, 3715740, 4047624, 5059530, 5262982, 6746040, 7431480, 7894473, 10119060, 10525964, 13157455, 15788946, 18420437, 20238120, 21051928, 23683419, 26314910, 31577892, 36840874, 39472365, 47366838, 52629820, 55261311, 63155784, 71050257, 73681748, 78944730, 92102185, 94733676, 105259640, 110522622, 118417095, 142100514, 147363496, 157889460, 165783933, 184204370, 189467352, 221045244, 236834190, 276306555, 284201028, 315778920, 331567866, 355251285, 368408740, 442090488, 473668380, 497351799, 552613110, 568402056, 663135732, 710502570, 736817480, 828919665, 947336760, 994703598, 1105226220, 1326271464, 1421005140, 1657839330, 1989407196, 2210452440, 2486758995, 2842010280, 3315678660, 3978814392, 4973517990, 6631357320, 9947035980, 19894071960]

約数ペア:

[(1, 19894071960), (2, 9947035980), (3, 6631357320), (4, 4973517990), (5, 3978814392), (6, 3315678660), (7, 2842010280), (8, 2486758995), (9, 2210452440), (10, 1989407196), (12, 1657839330), (14, 1421005140), (15, 1326271464), (18, 1105226220), (20, 994703598), (21, 947336760), (24, 828919665), (27, 736817480), (28, 710502570), (30, 663135732), (35, 568402056), (36, 552613110), (40, 497351799), (42, 473668380), (45, 442090488), (54, 368408740), (56, 355251285), (60, 331567866), (63, 315778920), (70, 284201028), (72, 276306555), (84, 236834190), (90, 221045244), (105, 189467352), (108, 184204370), (120, 165783933), (126, 157889460), (135, 147363496), (140, 142100514), (168, 118417095), (180, 110522622), (189, 105259640), (210, 94733676), (216, 92102185), (252, 78944730), (270, 73681748), (280, 71050257), (315, 63155784), (360, 55261311), (378, 52629820), (420, 47366838), (504, 39472365), (540, 36840874), (630, 31577892), (756, 26314910), (840, 23683419), (945, 21051928), (983, 20238120), (1080, 18420437), (1260, 15788946), (1512, 13157455), (1890, 10525964), (1966, 10119060), (2520, 7894473), (2677, 7431480), (2949, 6746040), (3780, 5262982), (3932, 5059530), (4915, 4047624), (5354, 3715740), (5898, 3373020), (6881, 2891160), (7560, 2631491), (7864, 2529765), (8031, 2477160), (8847, 2248680), (9830, 2023812), (10708, 1857870), (11796, 1686510), (13385, 1486296), (13762, 1445580), (14745, 1349208), (16062, 1238580), (17694, 1124340), (18739, 1061640), (19660, 1011906), (20643, 963720), (21416, 928935), (23592, 843255), (24093, 825720), (26541, 749560), (26770, 743148), (27524, 722790), (29490, 674604), (32124, 619290), (34405, 578232), (35388, 562170), (37478, 530820), (39320, 505953), (40155, 495432), (41286, 481860), (44235, 449736), (48186, 412860), (53082, 374780), (53540, 371574), (55048, 361395), (56217, 353880), (58980, 337302), (61929, 321240), (64248, 309645), (68810, 289116), (70776, 281085), (72279, 275240), (74956, 265410), (80310, 247716), (82572, 240930), (88470, 224868), (93695, 212328), (96372, 206430), (103215, 192744), (106164, 187390), (107080, 185787), (112434, 176940), (117960, 168651), (120465, 165144), (123858, 160620), (132705, 149912), (137620, 144558)]