2721880140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{941}}^1$

素因数の和:1128

約数の個数: 192

約数和(自身を含む): 8933234688

約数和(自身を除く): 6211354548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 97, 105, 140, 142, 194, 210, 213, 284, 291, 355, 388, 420, 426, 485, 497, 582, 679, 710, 852, 941, 970, 994, 1065, 1164, 1358, 1420, 1455, 1491, 1882, 1940, 1988, 2037, 2130, 2485, 2716, 2823, 2910, 2982, 3395, 3764, 4074, 4260, 4705, 4970, 5646, 5820, 5964, 6587, 6790, 6887, 7455, 8148, 9410, 9940, 10185, 11292, 13174, 13580, 13774, 14115, 14910, 18820, 19761, 20370, 20661, 26348, 27548, 28230, 29820, 32935, 34435, 39522, 40740, 41322, 48209, 56460, 65870, 66811, 68870, 79044, 82644, 91277, 96418, 98805, 103305, 131740, 133622, 137740, 144627, 182554, 192836, 197610, 200433, 206610, 241045, 267244, 273831, 289254, 334055, 365108, 395220, 400866, 413220, 456385, 467677, 482090, 547662, 578508, 638939, 668110, 723135, 801732, 912770, 935354, 964180, 1002165, 1095324, 1277878, 1336220, 1369155, 1403031, 1446270, 1825540, 1870708, 1916817, 2004330, 2338385, 2555756, 2738310, 2806062, 2892540, 3194695, 3833634, 4008660, 4676770, 5476620, 5612124, 6389390, 6480667, 7015155, 7667268, 9353540, 9584085, 12778780, 12961334, 14030310, 19168170, 19442001, 25922668, 28060620, 32403335, 38336340, 38884002, 45364669, 64806670, 77768004, 90729338, 97210005, 129613340, 136094007, 181458676, 194420010, 226823345, 272188014, 388840020, 453646690, 544376028, 680470035, 907293380, 1360940070, 2721880140]

約数ペア:

[(1, 2721880140), (2, 1360940070), (3, 907293380), (4, 680470035), (5, 544376028), (6, 453646690), (7, 388840020), (10, 272188014), (12, 226823345), (14, 194420010), (15, 181458676), (20, 136094007), (21, 129613340), (28, 97210005), (30, 90729338), (35, 77768004), (42, 64806670), (60, 45364669), (70, 38884002), (71, 38336340), (84, 32403335), (97, 28060620), (105, 25922668), (140, 19442001), (142, 19168170), (194, 14030310), (210, 12961334), (213, 12778780), (284, 9584085), (291, 9353540), (355, 7667268), (388, 7015155), (420, 6480667), (426, 6389390), (485, 5612124), (497, 5476620), (582, 4676770), (679, 4008660), (710, 3833634), (852, 3194695), (941, 2892540), (970, 2806062), (994, 2738310), (1065, 2555756), (1164, 2338385), (1358, 2004330), (1420, 1916817), (1455, 1870708), (1491, 1825540), (1882, 1446270), (1940, 1403031), (1988, 1369155), (2037, 1336220), (2130, 1277878), (2485, 1095324), (2716, 1002165), (2823, 964180), (2910, 935354), (2982, 912770), (3395, 801732), (3764, 723135), (4074, 668110), (4260, 638939), (4705, 578508), (4970, 547662), (5646, 482090), (5820, 467677), (5964, 456385), (6587, 413220), (6790, 400866), (6887, 395220), (7455, 365108), (8148, 334055), (9410, 289254), (9940, 273831), (10185, 267244), (11292, 241045), (13174, 206610), (13580, 200433), (13774, 197610), (14115, 192836), (14910, 182554), (18820, 144627), (19761, 137740), (20370, 133622), (20661, 131740), (26348, 103305), (27548, 98805), (28230, 96418), (29820, 91277), (32935, 82644), (34435, 79044), (39522, 68870), (40740, 66811), (41322, 65870), (48209, 56460)]