16820771240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{607}}^1$

素因数の和:992

約数の個数: 256

約数和(自身を含む): 48833003520

約数和(自身を除く): 32012232280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 331, 364, 455, 460, 520, 598, 607, 644, 662, 728, 805, 910, 920, 1196, 1214, 1288, 1324, 1495, 1610, 1655, 1820, 2093, 2317, 2392, 2428, 2648, 2990, 3035, 3220, 3310, 3640, 4186, 4249, 4303, 4634, 4856, 5980, 6070, 6440, 6620, 7613, 7891, 8372, 8498, 8606, 9268, 10465, 11585, 11960, 12140, 13240, 13961, 15226, 15782, 16744, 16996, 17212, 18536, 20930, 21245, 21515, 23170, 24280, 27922, 30121, 30452, 31564, 33992, 34424, 38065, 39455, 41860, 42490, 43030, 46340, 53291, 55237, 55844, 60242, 60904, 63128, 69805, 76130, 78910, 83720, 84980, 86060, 92680, 97727, 98969, 106582, 110474, 111688, 120484, 139610, 150605, 152260, 157820, 169960, 172120, 181493, 195454, 197938, 200917, 213164, 220948, 240968, 266455, 276185, 279220, 301210, 304520, 315640, 362986, 390908, 395876, 401834, 426328, 441896, 488635, 494845, 532910, 552370, 558440, 602420, 692783, 725972, 781816, 791752, 803668, 907465, 977270, 989690, 1004585, 1065820, 1104740, 1204840, 1270451, 1385566, 1406419, 1451944, 1607336, 1814930, 1954540, 1979380, 2009170, 2131640, 2209480, 2540902, 2611921, 2771132, 2812838, 3463915, 3629860, 3909080, 3958760, 4018340, 4621091, 5081804, 5223842, 5542264, 5625676, 6352255, 6927830, 7032095, 7259720, 8036680, 9242182, 10163608, 10447684, 11251352, 12704510, 13059605, 13855660, 14064190, 18283447, 18484364, 20895368, 23105455, 25409020, 26119210, 27711320, 28128380, 32347637, 36566894, 36968728, 46210910, 50818040, 52238420, 56256760, 60074183, 64695274, 73133788, 91417235, 92421820, 104476840, 120148366, 129390548, 146267576, 161738185, 182834470, 184843640, 240296732, 258781096, 300370915, 323476370, 365668940, 420519281, 480593464, 600741830, 646952740, 731337880, 841038562, 1201483660, 1293905480, 1682077124, 2102596405, 2402967320, 3364154248, 4205192810, 8410385620, 16820771240]

約数ペア:

[(1, 16820771240), (2, 8410385620), (4, 4205192810), (5, 3364154248), (7, 2402967320), (8, 2102596405), (10, 1682077124), (13, 1293905480), (14, 1201483660), (20, 841038562), (23, 731337880), (26, 646952740), (28, 600741830), (35, 480593464), (40, 420519281), (46, 365668940), (52, 323476370), (56, 300370915), (65, 258781096), (70, 240296732), (91, 184843640), (92, 182834470), (104, 161738185), (115, 146267576), (130, 129390548), (140, 120148366), (161, 104476840), (182, 92421820), (184, 91417235), (230, 73133788), (260, 64695274), (280, 60074183), (299, 56256760), (322, 52238420), (331, 50818040), (364, 46210910), (455, 36968728), (460, 36566894), (520, 32347637), (598, 28128380), (607, 27711320), (644, 26119210), (662, 25409020), (728, 23105455), (805, 20895368), (910, 18484364), (920, 18283447), (1196, 14064190), (1214, 13855660), (1288, 13059605), (1324, 12704510), (1495, 11251352), (1610, 10447684), (1655, 10163608), (1820, 9242182), (2093, 8036680), (2317, 7259720), (2392, 7032095), (2428, 6927830), (2648, 6352255), (2990, 5625676), (3035, 5542264), (3220, 5223842), (3310, 5081804), (3640, 4621091), (4186, 4018340), (4249, 3958760), (4303, 3909080), (4634, 3629860), (4856, 3463915), (5980, 2812838), (6070, 2771132), (6440, 2611921), (6620, 2540902), (7613, 2209480), (7891, 2131640), (8372, 2009170), (8498, 1979380), (8606, 1954540), (9268, 1814930), (10465, 1607336), (11585, 1451944), (11960, 1406419), (12140, 1385566), (13240, 1270451), (13961, 1204840), (15226, 1104740), (15782, 1065820), (16744, 1004585), (16996, 989690), (17212, 977270), (18536, 907465), (20930, 803668), (21245, 791752), (21515, 781816), (23170, 725972), (24280, 692783), (27922, 602420), (30121, 558440), (30452, 552370), (31564, 532910), (33992, 494845), (34424, 488635), (38065, 441896), (39455, 426328), (41860, 401834), (42490, 395876), (43030, 390908), (46340, 362986), (53291, 315640), (55237, 304520), (55844, 301210), (60242, 279220), (60904, 276185), (63128, 266455), (69805, 240968), (76130, 220948), (78910, 213164), (83720, 200917), (84980, 197938), (86060, 195454), (92680, 181493), (97727, 172120), (98969, 169960), (106582, 157820), (110474, 152260), (111688, 150605), (120484, 139610)]