327736960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16519}}^1$

素因数の和:16569

約数の個数: 64

約数和(自身を含む): 808819200

約数和(自身を除く): 481082240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 16519, 19840, 33038, 66076, 82595, 132152, 165190, 264304, 330380, 512089, 528608, 660760, 1024178, 1057216, 1321520, 2048356, 2114432, 2560445, 2643040, 4096712, 5120890, 5286080, 8193424, 10241780, 10572160, 16386848, 20483560, 32773696, 40967120, 65547392, 81934240, 163868480, 327736960]

約数ペア:

[(1, 327736960), (2, 163868480), (4, 81934240), (5, 65547392), (8, 40967120), (10, 32773696), (16, 20483560), (20, 16386848), (31, 10572160), (32, 10241780), (40, 8193424), (62, 5286080), (64, 5120890), (80, 4096712), (124, 2643040), (128, 2560445), (155, 2114432), (160, 2048356), (248, 1321520), (310, 1057216), (320, 1024178), (496, 660760), (620, 528608), (640, 512089), (992, 330380), (1240, 264304), (1984, 165190), (2480, 132152), (3968, 82595), (4960, 66076), (9920, 33038), (16519, 19840)]