78991710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{739}}^1$

素因数の和:1265

約数の個数: 64

約数和(自身を含む): 217382400

約数和(自身を除く): 138390690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 509, 739, 1018, 1478, 1527, 2217, 2545, 3054, 3563, 3695, 4434, 5090, 5173, 7126, 7390, 7635, 10346, 10689, 11085, 15270, 15519, 17815, 21378, 22170, 25865, 31038, 35630, 51730, 53445, 77595, 106890, 155190, 376151, 752302, 1128453, 1880755, 2256906, 2633057, 3761510, 5266114, 5642265, 7899171, 11284530, 13165285, 15798342, 26330570, 39495855, 78991710]

約数ペア:

[(1, 78991710), (2, 39495855), (3, 26330570), (5, 15798342), (6, 13165285), (7, 11284530), (10, 7899171), (14, 5642265), (15, 5266114), (21, 3761510), (30, 2633057), (35, 2256906), (42, 1880755), (70, 1128453), (105, 752302), (210, 376151), (509, 155190), (739, 106890), (1018, 77595), (1478, 53445), (1527, 51730), (2217, 35630), (2545, 31038), (3054, 25865), (3563, 22170), (3695, 21378), (4434, 17815), (5090, 15519), (5173, 15270), (7126, 11085), (7390, 10689), (7635, 10346)]