1878777760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 192

約数和(自身を含む): 4904323200

約数和(自身を除く): 3025545440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 76, 80, 95, 101, 116, 145, 152, 160, 190, 202, 211, 232, 290, 304, 380, 404, 422, 464, 505, 551, 580, 608, 760, 808, 844, 928, 1010, 1055, 1102, 1160, 1520, 1616, 1688, 1919, 2020, 2110, 2204, 2320, 2755, 2929, 3040, 3232, 3376, 3838, 4009, 4040, 4220, 4408, 4640, 5510, 5858, 6119, 6752, 7676, 8018, 8080, 8440, 8816, 9595, 11020, 11716, 12238, 14645, 15352, 16036, 16160, 16880, 17632, 19190, 20045, 21311, 22040, 23432, 24476, 29290, 30595, 30704, 32072, 33760, 38380, 40090, 42622, 44080, 46864, 48952, 55651, 58580, 61190, 61408, 64144, 76760, 80180, 85244, 88160, 93728, 97904, 106555, 111302, 116261, 117160, 122380, 128288, 153520, 160360, 170488, 195808, 213110, 222604, 232522, 234320, 244760, 278255, 307040, 320720, 340976, 404909, 426220, 445208, 465044, 468640, 489520, 556510, 581305, 618019, 641440, 681952, 809818, 852440, 890416, 930088, 979040, 1113020, 1162610, 1236038, 1619636, 1704880, 1780832, 1860176, 2024545, 2226040, 2325220, 2472076, 3090095, 3239272, 3409760, 3720352, 4049090, 4452080, 4650440, 4944152, 6180190, 6478544, 8098180, 8904160, 9300880, 9888304, 11742361, 12360380, 12957088, 16196360, 18601760, 19776608, 23484722, 24720760, 32392720, 46969444, 49441520, 58711805, 64785440, 93938888, 98883040, 117423610, 187877776, 234847220, 375755552, 469694440, 939388880, 1878777760]

約数ペア:

[(1, 1878777760), (2, 939388880), (4, 469694440), (5, 375755552), (8, 234847220), (10, 187877776), (16, 117423610), (19, 98883040), (20, 93938888), (29, 64785440), (32, 58711805), (38, 49441520), (40, 46969444), (58, 32392720), (76, 24720760), (80, 23484722), (95, 19776608), (101, 18601760), (116, 16196360), (145, 12957088), (152, 12360380), (160, 11742361), (190, 9888304), (202, 9300880), (211, 8904160), (232, 8098180), (290, 6478544), (304, 6180190), (380, 4944152), (404, 4650440), (422, 4452080), (464, 4049090), (505, 3720352), (551, 3409760), (580, 3239272), (608, 3090095), (760, 2472076), (808, 2325220), (844, 2226040), (928, 2024545), (1010, 1860176), (1055, 1780832), (1102, 1704880), (1160, 1619636), (1520, 1236038), (1616, 1162610), (1688, 1113020), (1919, 979040), (2020, 930088), (2110, 890416), (2204, 852440), (2320, 809818), (2755, 681952), (2929, 641440), (3040, 618019), (3232, 581305), (3376, 556510), (3838, 489520), (4009, 468640), (4040, 465044), (4220, 445208), (4408, 426220), (4640, 404909), (5510, 340976), (5858, 320720), (6119, 307040), (6752, 278255), (7676, 244760), (8018, 234320), (8080, 232522), (8440, 222604), (8816, 213110), (9595, 195808), (11020, 170488), (11716, 160360), (12238, 153520), (14645, 128288), (15352, 122380), (16036, 117160), (16160, 116261), (16880, 111302), (17632, 106555), (19190, 97904), (20045, 93728), (21311, 88160), (22040, 85244), (23432, 80180), (24476, 76760), (29290, 64144), (30595, 61408), (30704, 61190), (32072, 58580), (33760, 55651), (38380, 48952), (40090, 46864), (42622, 44080)]