7538835440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1\times {\mathrm{3049}}^1$

素因数の和:4090

約数の個数: 80

約数和(自身を含む): 18117292800

約数和(自身を除く): 10578457360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 997, 1240, 1994, 2480, 3049, 3988, 4985, 6098, 7976, 9970, 12196, 15245, 15952, 19940, 24392, 30490, 30907, 39880, 48784, 60980, 61814, 79760, 94519, 121960, 123628, 154535, 189038, 243920, 247256, 309070, 378076, 472595, 494512, 618140, 756152, 945190, 1236280, 1512304, 1890380, 2472560, 3039853, 3780760, 6079706, 7561520, 12159412, 15199265, 24318824, 30398530, 48637648, 60797060, 94235443, 121594120, 188470886, 243188240, 376941772, 471177215, 753883544, 942354430, 1507767088, 1884708860, 3769417720, 7538835440]

約数ペア:

[(1, 7538835440), (2, 3769417720), (4, 1884708860), (5, 1507767088), (8, 942354430), (10, 753883544), (16, 471177215), (20, 376941772), (31, 243188240), (40, 188470886), (62, 121594120), (80, 94235443), (124, 60797060), (155, 48637648), (248, 30398530), (310, 24318824), (496, 15199265), (620, 12159412), (997, 7561520), (1240, 6079706), (1994, 3780760), (2480, 3039853), (3049, 2472560), (3988, 1890380), (4985, 1512304), (6098, 1236280), (7976, 945190), (9970, 756152), (12196, 618140), (15245, 494512), (15952, 472595), (19940, 378076), (24392, 309070), (30490, 247256), (30907, 243920), (39880, 189038), (48784, 154535), (60980, 123628), (61814, 121960), (79760, 94519)]