2686491990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{991}}^1$

素因数の和:1355

約数の個数: 192

約数和(自身を含む): 8631447552

約数和(自身を除く): 5944955562

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 331, 390, 455, 546, 585, 630, 662, 819, 910, 991, 993, 1170, 1365, 1638, 1655, 1982, 1986, 2317, 2730, 2973, 2979, 3310, 4095, 4303, 4634, 4955, 4965, 5946, 5958, 6937, 6951, 8190, 8606, 8919, 9910, 9930, 11585, 12883, 12909, 13874, 13902, 14865, 14895, 17838, 20811, 20853, 21515, 23170, 25766, 25818, 29730, 29790, 30121, 34685, 34755, 38649, 38727, 41622, 41706, 43030, 44595, 60242, 62433, 64415, 64545, 69370, 69510, 77298, 77454, 89190, 90181, 90363, 104055, 104265, 115947, 124866, 128830, 129090, 150605, 180362, 180726, 193245, 193635, 208110, 208530, 231894, 270543, 271089, 301210, 312165, 328021, 386490, 387270, 450905, 451815, 541086, 542178, 579735, 624330, 656042, 811629, 901810, 903630, 984063, 1159470, 1352715, 1355445, 1623258, 1640105, 1968126, 2296147, 2705430, 2710890, 2952189, 3280210, 4058145, 4264273, 4592294, 4920315, 5904378, 6888441, 8116290, 8528546, 9840630, 11480735, 12792819, 13776882, 14760945, 20665323, 21321365, 22961470, 25585638, 29521890, 29849911, 34442205, 38378457, 41330646, 42642730, 59699822, 63964095, 68884410, 76756914, 89549733, 103326615, 127928190, 149249555, 179099466, 191892285, 206653230, 268649199, 298499110, 383784570, 447748665, 537298398, 895497330, 1343245995, 2686491990]

約数ペア:

[(1, 2686491990), (2, 1343245995), (3, 895497330), (5, 537298398), (6, 447748665), (7, 383784570), (9, 298499110), (10, 268649199), (13, 206653230), (14, 191892285), (15, 179099466), (18, 149249555), (21, 127928190), (26, 103326615), (30, 89549733), (35, 76756914), (39, 68884410), (42, 63964095), (45, 59699822), (63, 42642730), (65, 41330646), (70, 38378457), (78, 34442205), (90, 29849911), (91, 29521890), (105, 25585638), (117, 22961470), (126, 21321365), (130, 20665323), (182, 14760945), (195, 13776882), (210, 12792819), (234, 11480735), (273, 9840630), (315, 8528546), (331, 8116290), (390, 6888441), (455, 5904378), (546, 4920315), (585, 4592294), (630, 4264273), (662, 4058145), (819, 3280210), (910, 2952189), (991, 2710890), (993, 2705430), (1170, 2296147), (1365, 1968126), (1638, 1640105), (1655, 1623258), (1982, 1355445), (1986, 1352715), (2317, 1159470), (2730, 984063), (2973, 903630), (2979, 901810), (3310, 811629), (4095, 656042), (4303, 624330), (4634, 579735), (4955, 542178), (4965, 541086), (5946, 451815), (5958, 450905), (6937, 387270), (6951, 386490), (8190, 328021), (8606, 312165), (8919, 301210), (9910, 271089), (9930, 270543), (11585, 231894), (12883, 208530), (12909, 208110), (13874, 193635), (13902, 193245), (14865, 180726), (14895, 180362), (17838, 150605), (20811, 129090), (20853, 128830), (21515, 124866), (23170, 115947), (25766, 104265), (25818, 104055), (29730, 90363), (29790, 90181), (30121, 89190), (34685, 77454), (34755, 77298), (38649, 69510), (38727, 69370), (41622, 64545), (41706, 64415), (43030, 62433), (44595, 60242)]