7821086720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 208

約数和(自身を含む): 19727597568

約数和(自身を除く): 11906510848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 97, 124, 127, 128, 155, 160, 194, 248, 254, 256, 310, 320, 388, 485, 496, 508, 512, 620, 635, 640, 776, 970, 992, 1016, 1024, 1240, 1270, 1280, 1552, 1940, 1984, 2032, 2048, 2480, 2540, 2560, 3007, 3104, 3880, 3937, 3968, 4064, 4096, 4960, 5080, 5120, 6014, 6208, 7760, 7874, 7936, 8128, 9920, 10160, 10240, 12028, 12319, 12416, 15035, 15520, 15748, 15872, 16256, 19685, 19840, 20320, 20480, 24056, 24638, 24832, 30070, 31040, 31496, 31744, 32512, 39370, 39680, 40640, 48112, 49276, 49664, 60140, 61595, 62080, 62992, 63488, 65024, 78740, 79360, 81280, 96224, 98552, 99328, 120280, 123190, 124160, 125984, 126976, 130048, 157480, 158720, 162560, 192448, 197104, 198656, 240560, 246380, 248320, 251968, 260096, 314960, 317440, 325120, 381889, 384896, 394208, 397312, 481120, 492760, 496640, 503936, 520192, 629920, 634880, 650240, 763778, 769792, 788416, 962240, 985520, 993280, 1007872, 1259840, 1300480, 1527556, 1539584, 1576832, 1909445, 1924480, 1971040, 1986560, 2015744, 2519680, 2600960, 3055112, 3079168, 3153664, 3818890, 3848960, 3942080, 4031488, 5039360, 6110224, 6158336, 6307328, 7637780, 7697920, 7884160, 8062976, 10078720, 12220448, 12316672, 12614656, 15275560, 15395840, 15768320, 16125952, 20157440, 24440896, 25229312, 30551120, 30791680, 31536640, 40314880, 48881792, 50458624, 61102240, 61583360, 63073280, 80629760, 97763584, 122204480, 126146560, 195527168, 244408960, 252293120, 391054336, 488817920, 782108672, 977635840, 1564217344, 1955271680, 3910543360, 7821086720]

約数ペア:

[(1, 7821086720), (2, 3910543360), (4, 1955271680), (5, 1564217344), (8, 977635840), (10, 782108672), (16, 488817920), (20, 391054336), (31, 252293120), (32, 244408960), (40, 195527168), (62, 126146560), (64, 122204480), (80, 97763584), (97, 80629760), (124, 63073280), (127, 61583360), (128, 61102240), (155, 50458624), (160, 48881792), (194, 40314880), (248, 31536640), (254, 30791680), (256, 30551120), (310, 25229312), (320, 24440896), (388, 20157440), (485, 16125952), (496, 15768320), (508, 15395840), (512, 15275560), (620, 12614656), (635, 12316672), (640, 12220448), (776, 10078720), (970, 8062976), (992, 7884160), (1016, 7697920), (1024, 7637780), (1240, 6307328), (1270, 6158336), (1280, 6110224), (1552, 5039360), (1940, 4031488), (1984, 3942080), (2032, 3848960), (2048, 3818890), (2480, 3153664), (2540, 3079168), (2560, 3055112), (3007, 2600960), (3104, 2519680), (3880, 2015744), (3937, 1986560), (3968, 1971040), (4064, 1924480), (4096, 1909445), (4960, 1576832), (5080, 1539584), (5120, 1527556), (6014, 1300480), (6208, 1259840), (7760, 1007872), (7874, 993280), (7936, 985520), (8128, 962240), (9920, 788416), (10160, 769792), (10240, 763778), (12028, 650240), (12319, 634880), (12416, 629920), (15035, 520192), (15520, 503936), (15748, 496640), (15872, 492760), (16256, 481120), (19685, 397312), (19840, 394208), (20320, 384896), (20480, 381889), (24056, 325120), (24638, 317440), (24832, 314960), (30070, 260096), (31040, 251968), (31496, 248320), (31744, 246380), (32512, 240560), (39370, 198656), (39680, 197104), (40640, 192448), (48112, 162560), (49276, 158720), (49664, 157480), (60140, 130048), (61595, 126976), (62080, 125984), (62992, 124160), (63488, 123190), (65024, 120280), (78740, 99328), (79360, 98552), (81280, 96224)]