81528960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42463}}^1$

素因数の和:42485

約数の個数: 64

約数和(自身を含む): 259879680

約数和(自身を除く): 178350720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 42463, 84926, 127389, 169852, 212315, 254778, 339704, 424630, 509556, 636945, 679408, 849260, 1019112, 1273890, 1358816, 1698520, 2038224, 2547780, 2717632, 3397040, 4076448, 5095560, 5435264, 6794080, 8152896, 10191120, 13588160, 16305792, 20382240, 27176320, 40764480, 81528960]

約数ペア:

[(1, 81528960), (2, 40764480), (3, 27176320), (4, 20382240), (5, 16305792), (6, 13588160), (8, 10191120), (10, 8152896), (12, 6794080), (15, 5435264), (16, 5095560), (20, 4076448), (24, 3397040), (30, 2717632), (32, 2547780), (40, 2038224), (48, 1698520), (60, 1358816), (64, 1273890), (80, 1019112), (96, 849260), (120, 679408), (128, 636945), (160, 509556), (192, 424630), (240, 339704), (320, 254778), (384, 212315), (480, 169852), (640, 127389), (960, 84926), (1920, 42463)]