20171962680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{977}}^1$

素因数の和:1386

約数の個数: 256

約数和(自身を含む): 66543120000

約数和(自身を除く): 46371157320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 34, 40, 51, 58, 60, 68, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 255, 290, 340, 348, 349, 408, 435, 493, 510, 580, 680, 696, 698, 870, 977, 986, 1020, 1047, 1160, 1396, 1479, 1740, 1745, 1954, 1972, 2040, 2094, 2465, 2792, 2931, 2958, 3480, 3490, 3908, 3944, 4188, 4885, 4930, 5235, 5862, 5916, 5933, 6980, 7395, 7816, 8376, 9770, 9860, 10121, 10470, 11724, 11832, 11866, 13960, 14655, 14790, 16609, 17799, 19540, 19720, 20242, 20940, 23448, 23732, 28333, 29310, 29580, 29665, 30363, 33218, 35598, 39080, 40484, 41880, 47464, 49827, 50605, 56666, 58620, 59160, 59330, 60726, 66436, 71196, 80968, 83045, 84999, 88995, 99654, 101210, 113332, 117240, 118660, 121452, 132872, 141665, 142392, 151815, 166090, 169998, 172057, 177990, 199308, 202420, 226664, 237320, 242904, 249135, 283330, 303630, 332180, 339996, 340973, 344114, 355980, 398616, 404840, 424995, 481661, 498270, 516171, 566660, 607260, 664360, 679992, 681946, 688228, 711960, 849990, 860285, 963322, 996540, 1022919, 1032342, 1133320, 1214520, 1363892, 1376456, 1444983, 1699980, 1704865, 1720570, 1926644, 1993080, 2045838, 2064684, 2408305, 2580855, 2727784, 2889966, 3399960, 3409730, 3441140, 3853288, 4091676, 4129368, 4816610, 5114595, 5161710, 5779932, 5796541, 6819460, 6882280, 7224915, 8183352, 9633220, 9888217, 10229190, 10323420, 11559864, 11593082, 13638920, 14449830, 17389623, 19266440, 19776434, 20458380, 20646840, 23186164, 28899660, 28982705, 29664651, 34779246, 39552868, 40916760, 46372328, 49441085, 57799320, 57965410, 59329302, 69558492, 79105736, 86948115, 98882170, 115930820, 118658604, 139116984, 148323255, 168099689, 173896230, 197764340, 231861640, 237317208, 296646510, 336199378, 347792460, 395528680, 504299067, 593293020, 672398756, 695584920, 840498445, 1008598134, 1186586040, 1344797512, 1680996890, 2017196268, 2521495335, 3361993780, 4034392536, 5042990670, 6723987560, 10085981340, 20171962680]

約数ペア:

[(1, 20171962680), (2, 10085981340), (3, 6723987560), (4, 5042990670), (5, 4034392536), (6, 3361993780), (8, 2521495335), (10, 2017196268), (12, 1680996890), (15, 1344797512), (17, 1186586040), (20, 1008598134), (24, 840498445), (29, 695584920), (30, 672398756), (34, 593293020), (40, 504299067), (51, 395528680), (58, 347792460), (60, 336199378), (68, 296646510), (85, 237317208), (87, 231861640), (102, 197764340), (116, 173896230), (120, 168099689), (136, 148323255), (145, 139116984), (170, 118658604), (174, 115930820), (204, 98882170), (232, 86948115), (255, 79105736), (290, 69558492), (340, 59329302), (348, 57965410), (349, 57799320), (408, 49441085), (435, 46372328), (493, 40916760), (510, 39552868), (580, 34779246), (680, 29664651), (696, 28982705), (698, 28899660), (870, 23186164), (977, 20646840), (986, 20458380), (1020, 19776434), (1047, 19266440), (1160, 17389623), (1396, 14449830), (1479, 13638920), (1740, 11593082), (1745, 11559864), (1954, 10323420), (1972, 10229190), (2040, 9888217), (2094, 9633220), (2465, 8183352), (2792, 7224915), (2931, 6882280), (2958, 6819460), (3480, 5796541), (3490, 5779932), (3908, 5161710), (3944, 5114595), (4188, 4816610), (4885, 4129368), (4930, 4091676), (5235, 3853288), (5862, 3441140), (5916, 3409730), (5933, 3399960), (6980, 2889966), (7395, 2727784), (7816, 2580855), (8376, 2408305), (9770, 2064684), (9860, 2045838), (10121, 1993080), (10470, 1926644), (11724, 1720570), (11832, 1704865), (11866, 1699980), (13960, 1444983), (14655, 1376456), (14790, 1363892), (16609, 1214520), (17799, 1133320), (19540, 1032342), (19720, 1022919), (20242, 996540), (20940, 963322), (23448, 860285), (23732, 849990), (28333, 711960), (29310, 688228), (29580, 681946), (29665, 679992), (30363, 664360), (33218, 607260), (35598, 566660), (39080, 516171), (40484, 498270), (41880, 481661), (47464, 424995), (49827, 404840), (50605, 398616), (56666, 355980), (58620, 344114), (59160, 340973), (59330, 339996), (60726, 332180), (66436, 303630), (71196, 283330), (80968, 249135), (83045, 242904), (84999, 237320), (88995, 226664), (99654, 202420), (101210, 199308), (113332, 177990), (117240, 172057), (118660, 169998), (121452, 166090), (132872, 151815), (141665, 142392)]