139922720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:754

約数の個数: 96

約数和(自身を含む): 380007936

約数和(自身を除く): 240085216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 271, 280, 461, 542, 560, 922, 1084, 1120, 1355, 1844, 1897, 2168, 2305, 2710, 3227, 3688, 3794, 4336, 4610, 5420, 6454, 7376, 7588, 8672, 9220, 9485, 10840, 12908, 14752, 15176, 16135, 18440, 18970, 21680, 25816, 30352, 32270, 36880, 37940, 43360, 51632, 60704, 64540, 73760, 75880, 103264, 124931, 129080, 151760, 249862, 258160, 303520, 499724, 516320, 624655, 874517, 999448, 1249310, 1749034, 1998896, 2498620, 3498068, 3997792, 4372585, 4997240, 6996136, 8745170, 9994480, 13992272, 17490340, 19988960, 27984544, 34980680, 69961360, 139922720]

約数ペア:

[(1, 139922720), (2, 69961360), (4, 34980680), (5, 27984544), (7, 19988960), (8, 17490340), (10, 13992272), (14, 9994480), (16, 8745170), (20, 6996136), (28, 4997240), (32, 4372585), (35, 3997792), (40, 3498068), (56, 2498620), (70, 1998896), (80, 1749034), (112, 1249310), (140, 999448), (160, 874517), (224, 624655), (271, 516320), (280, 499724), (461, 303520), (542, 258160), (560, 249862), (922, 151760), (1084, 129080), (1120, 124931), (1355, 103264), (1844, 75880), (1897, 73760), (2168, 64540), (2305, 60704), (2710, 51632), (3227, 43360), (3688, 37940), (3794, 36880), (4336, 32270), (4610, 30352), (5420, 25816), (6454, 21680), (7376, 18970), (7588, 18440), (8672, 16135), (9220, 15176), (9485, 14752), (10840, 12908)]