2778879040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:429

約数の個数: 224

約数和(自身を含む): 7821411840

約数和(自身を除く): 5042532800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 89, 106, 112, 140, 160, 178, 212, 224, 263, 265, 280, 320, 356, 371, 424, 445, 448, 526, 530, 560, 623, 712, 742, 848, 890, 1052, 1060, 1120, 1246, 1315, 1424, 1484, 1696, 1780, 1841, 1855, 2104, 2120, 2240, 2492, 2630, 2848, 2968, 3115, 3392, 3560, 3682, 3710, 4208, 4240, 4717, 4984, 5260, 5696, 5936, 6230, 7120, 7364, 7420, 8416, 8480, 9205, 9434, 9968, 10520, 11872, 12460, 13939, 14240, 14728, 14840, 16832, 16960, 18410, 18868, 19936, 21040, 23407, 23585, 23744, 24920, 27878, 28480, 29456, 29680, 33019, 36820, 37736, 39872, 42080, 46814, 47170, 49840, 55756, 58912, 59360, 66038, 69695, 73640, 75472, 84160, 93628, 94340, 97573, 99680, 111512, 117035, 117824, 118720, 132076, 139390, 147280, 150944, 163849, 165095, 187256, 188680, 195146, 199360, 223024, 234070, 264152, 278780, 294560, 301888, 327698, 330190, 374512, 377360, 390292, 446048, 468140, 487865, 528304, 557560, 589120, 655396, 660380, 749024, 754720, 780584, 819245, 892096, 936280, 975730, 1056608, 1115120, 1240571, 1310792, 1320760, 1498048, 1509440, 1561168, 1638490, 1872560, 1951460, 2113216, 2230240, 2481142, 2621584, 2641520, 3122336, 3276980, 3745120, 3902920, 4460480, 4962284, 5243168, 5283040, 6202855, 6244672, 6553960, 7490240, 7805840, 8683997, 9924568, 10486336, 10566080, 12405710, 13107920, 15611680, 17367994, 19849136, 24811420, 26215840, 31223360, 34735988, 39698272, 43419985, 49622840, 52431680, 69471976, 79396544, 86839970, 99245680, 138943952, 173679940, 198491360, 277887904, 347359880, 396982720, 555775808, 694719760, 1389439520, 2778879040]

約数ペア:

[(1, 2778879040), (2, 1389439520), (4, 694719760), (5, 555775808), (7, 396982720), (8, 347359880), (10, 277887904), (14, 198491360), (16, 173679940), (20, 138943952), (28, 99245680), (32, 86839970), (35, 79396544), (40, 69471976), (53, 52431680), (56, 49622840), (64, 43419985), (70, 39698272), (80, 34735988), (89, 31223360), (106, 26215840), (112, 24811420), (140, 19849136), (160, 17367994), (178, 15611680), (212, 13107920), (224, 12405710), (263, 10566080), (265, 10486336), (280, 9924568), (320, 8683997), (356, 7805840), (371, 7490240), (424, 6553960), (445, 6244672), (448, 6202855), (526, 5283040), (530, 5243168), (560, 4962284), (623, 4460480), (712, 3902920), (742, 3745120), (848, 3276980), (890, 3122336), (1052, 2641520), (1060, 2621584), (1120, 2481142), (1246, 2230240), (1315, 2113216), (1424, 1951460), (1484, 1872560), (1696, 1638490), (1780, 1561168), (1841, 1509440), (1855, 1498048), (2104, 1320760), (2120, 1310792), (2240, 1240571), (2492, 1115120), (2630, 1056608), (2848, 975730), (2968, 936280), (3115, 892096), (3392, 819245), (3560, 780584), (3682, 754720), (3710, 749024), (4208, 660380), (4240, 655396), (4717, 589120), (4984, 557560), (5260, 528304), (5696, 487865), (5936, 468140), (6230, 446048), (7120, 390292), (7364, 377360), (7420, 374512), (8416, 330190), (8480, 327698), (9205, 301888), (9434, 294560), (9968, 278780), (10520, 264152), (11872, 234070), (12460, 223024), (13939, 199360), (14240, 195146), (14728, 188680), (14840, 187256), (16832, 165095), (16960, 163849), (18410, 150944), (18868, 147280), (19936, 139390), (21040, 132076), (23407, 118720), (23585, 117824), (23744, 117035), (24920, 111512), (27878, 99680), (28480, 97573), (29456, 94340), (29680, 93628), (33019, 84160), (36820, 75472), (37736, 73640), (39872, 69695), (42080, 66038), (46814, 59360), (47170, 58912), (49840, 55756)]