247682560

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3121}}^1$

素因数の和:3175

約数の個数: 80

約数和(自身を含む): 613210752

約数和(自身を除く): 365528192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3121, 3968, 4960, 6242, 7936, 9920, 12484, 15605, 15872, 19840, 24968, 31210, 39680, 49936, 62420, 79360, 96751, 99872, 124840, 193502, 199744, 249680, 387004, 399488, 483755, 499360, 774008, 798976, 967510, 998720, 1548016, 1597952, 1935020, 1997440, 3096032, 3870040, 3994880, 6192064, 7740080, 7989760, 12384128, 15480160, 24768256, 30960320, 49536512, 61920640, 123841280, 247682560]

約数ペア:

[(1, 247682560), (2, 123841280), (4, 61920640), (5, 49536512), (8, 30960320), (10, 24768256), (16, 15480160), (20, 12384128), (31, 7989760), (32, 7740080), (40, 6192064), (62, 3994880), (64, 3870040), (80, 3096032), (124, 1997440), (128, 1935020), (155, 1597952), (160, 1548016), (248, 998720), (256, 967510), (310, 798976), (320, 774008), (496, 499360), (512, 483755), (620, 399488), (640, 387004), (992, 249680), (1240, 199744), (1280, 193502), (1984, 124840), (2480, 99872), (2560, 96751), (3121, 79360), (3968, 62420), (4960, 49936), (6242, 39680), (7936, 31210), (9920, 24968), (12484, 19840), (15605, 15872)]