2145080840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{156347}}^1$

素因数の和:156379

約数の個数: 64

約数和(自身を含む): 5628528000

約数和(自身を除く): 3483447160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 156347, 312694, 625388, 781735, 1094429, 1250776, 1563470, 2188858, 3126940, 4377716, 5472145, 6253880, 7661003, 8755432, 10944290, 15322006, 21888580, 30644012, 38305015, 43777160, 53627021, 61288024, 76610030, 107254042, 153220060, 214508084, 268135105, 306440120, 429016168, 536270210, 1072540420, 2145080840]

約数ペア:

[(1, 2145080840), (2, 1072540420), (4, 536270210), (5, 429016168), (7, 306440120), (8, 268135105), (10, 214508084), (14, 153220060), (20, 107254042), (28, 76610030), (35, 61288024), (40, 53627021), (49, 43777160), (56, 38305015), (70, 30644012), (98, 21888580), (140, 15322006), (196, 10944290), (245, 8755432), (280, 7661003), (343, 6253880), (392, 5472145), (490, 4377716), (686, 3126940), (980, 2188858), (1372, 1563470), (1715, 1250776), (1960, 1094429), (2744, 781735), (3430, 625388), (6860, 312694), (13720, 156347)]