671720015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 919296000

約数和(自身を除く): 247575985

約数列:

[1, 5, 19, 37, 41, 59, 79, 95, 185, 205, 295, 395, 703, 779, 1121, 1501, 1517, 2183, 2419, 2923, 3239, 3515, 3895, 4661, 5605, 7505, 7585, 10915, 12095, 14615, 16195, 23305, 28823, 41477, 45961, 55537, 61541, 88559, 89503, 119843, 144115, 172457, 191101, 207385, 229805, 277685, 307705, 442795, 447515, 599215, 862285, 955505, 1700557, 2277017, 3276683, 3630919, 7070737, 8502785, 11385085, 16383415, 18154595, 35353685, 134344003, 671720015]

約数ペア:

[(1, 671720015), (5, 134344003), (19, 35353685), (37, 18154595), (41, 16383415), (59, 11385085), (79, 8502785), (95, 7070737), (185, 3630919), (205, 3276683), (295, 2277017), (395, 1700557), (703, 955505), (779, 862285), (1121, 599215), (1501, 447515), (1517, 442795), (2183, 307705), (2419, 277685), (2923, 229805), (3239, 207385), (3515, 191101), (3895, 172457), (4661, 144115), (5605, 119843), (7505, 89503), (7585, 88559), (10915, 61541), (12095, 55537), (14615, 45961), (16195, 41477), (23305, 28823)]