728960

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:103

約数の個数: 64

約数和(自身を含む): 1872720

約数和(自身を除く): 1143760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 67, 68, 80, 85, 128, 134, 136, 160, 170, 268, 272, 320, 335, 340, 536, 544, 640, 670, 680, 1072, 1088, 1139, 1340, 1360, 2144, 2176, 2278, 2680, 2720, 4288, 4556, 5360, 5440, 5695, 8576, 9112, 10720, 10880, 11390, 18224, 21440, 22780, 36448, 42880, 45560, 72896, 91120, 145792, 182240, 364480, 728960]

約数ペア:

[(1, 728960), (2, 364480), (4, 182240), (5, 145792), (8, 91120), (10, 72896), (16, 45560), (17, 42880), (20, 36448), (32, 22780), (34, 21440), (40, 18224), (64, 11390), (67, 10880), (68, 10720), (80, 9112), (85, 8576), (128, 5695), (134, 5440), (136, 5360), (160, 4556), (170, 4288), (268, 2720), (272, 2680), (320, 2278), (335, 2176), (340, 2144), (536, 1360), (544, 1340), (640, 1139), (670, 1088), (680, 1072)]