67949840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1800

約数の個数: 80

約数和(自身を含む): 183202560

約数和(自身を除く): 115252720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1709, 1988, 2485, 2840, 3418, 3976, 4970, 5680, 6836, 7952, 8545, 9940, 11963, 13672, 17090, 19880, 23926, 27344, 34180, 39760, 47852, 59815, 68360, 95704, 119630, 121339, 136720, 191408, 239260, 242678, 478520, 485356, 606695, 849373, 957040, 970712, 1213390, 1698746, 1941424, 2426780, 3397492, 4246865, 4853560, 6794984, 8493730, 9707120, 13589968, 16987460, 33974920, 67949840]

約数ペア:

[(1, 67949840), (2, 33974920), (4, 16987460), (5, 13589968), (7, 9707120), (8, 8493730), (10, 6794984), (14, 4853560), (16, 4246865), (20, 3397492), (28, 2426780), (35, 1941424), (40, 1698746), (56, 1213390), (70, 970712), (71, 957040), (80, 849373), (112, 606695), (140, 485356), (142, 478520), (280, 242678), (284, 239260), (355, 191408), (497, 136720), (560, 121339), (568, 119630), (710, 95704), (994, 68360), (1136, 59815), (1420, 47852), (1709, 39760), (1988, 34180), (2485, 27344), (2840, 23926), (3418, 19880), (3976, 17090), (4970, 13672), (5680, 11963), (6836, 9940), (7952, 8545)]