1290560640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{672167}}^1$

素因数の和:672189

約数の個数: 64

約数和(自身を含む): 4113668160

約数和(自身を除く): 2823107520

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, 672167, 1344334, 2016501, 2688668, 3360835, 4033002, 5377336, 6721670, 8066004, 10082505, 10754672, 13443340, 16132008, 20165010, 21509344, 26886680, 32264016, 40330020, 43018688, 53773360, 64528032, 80660040, 86037376, 107546720, 129056064, 161320080, 215093440, 258112128, 322640160, 430186880, 645280320, 1290560640]

約数ペア:

[(1, 1290560640), (2, 645280320), (3, 430186880), (4, 322640160), (5, 258112128), (6, 215093440), (8, 161320080), (10, 129056064), (12, 107546720), (15, 86037376), (16, 80660040), (20, 64528032), (24, 53773360), (30, 43018688), (32, 40330020), (40, 32264016), (48, 26886680), (60, 21509344), (64, 20165010), (80, 16132008), (96, 13443340), (120, 10754672), (128, 10082505), (160, 8066004), (192, 6721670), (240, 5377336), (320, 4033002), (384, 3360835), (480, 2688668), (640, 2016501), (960, 1344334), (1920, 672167)]