127571200

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:700

約数の個数: 108

約数和(自身を含む): 326451328

約数和(自身を除く): 198880128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 620, 640, 643, 775, 800, 992, 1240, 1280, 1286, 1550, 1600, 1984, 2480, 2572, 3100, 3200, 3215, 3968, 4960, 5144, 6200, 6400, 6430, 7936, 9920, 10288, 12400, 12860, 16075, 19840, 19933, 20576, 24800, 25720, 32150, 39680, 39866, 41152, 49600, 51440, 64300, 79732, 82304, 99200, 99665, 102880, 128600, 159464, 164608, 198400, 199330, 205760, 257200, 318928, 398660, 411520, 498325, 514400, 637856, 797320, 823040, 996650, 1028800, 1275712, 1594640, 1993300, 2057600, 2551424, 3189280, 3986600, 4115200, 5102848, 6378560, 7973200, 12757120, 15946400, 25514240, 31892800, 63785600, 127571200]

約数ペア:

[(1, 127571200), (2, 63785600), (4, 31892800), (5, 25514240), (8, 15946400), (10, 12757120), (16, 7973200), (20, 6378560), (25, 5102848), (31, 4115200), (32, 3986600), (40, 3189280), (50, 2551424), (62, 2057600), (64, 1993300), (80, 1594640), (100, 1275712), (124, 1028800), (128, 996650), (155, 823040), (160, 797320), (200, 637856), (248, 514400), (256, 498325), (310, 411520), (320, 398660), (400, 318928), (496, 257200), (620, 205760), (640, 199330), (643, 198400), (775, 164608), (800, 159464), (992, 128600), (1240, 102880), (1280, 99665), (1286, 99200), (1550, 82304), (1600, 79732), (1984, 64300), (2480, 51440), (2572, 49600), (3100, 41152), (3200, 39866), (3215, 39680), (3968, 32150), (4960, 25720), (5144, 24800), (6200, 20576), (6400, 19933), (6430, 19840), (7936, 16075), (9920, 12860), (10288, 12400)]