66985660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 170698752

約数和(自身を除く): 103713092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 71, 92, 115, 140, 142, 161, 230, 284, 293, 322, 355, 460, 497, 586, 644, 710, 805, 994, 1172, 1420, 1465, 1610, 1633, 1988, 2051, 2485, 2930, 3220, 3266, 4102, 4970, 5860, 6532, 6739, 8165, 8204, 9940, 10255, 11431, 13478, 16330, 20510, 20803, 22862, 26956, 32660, 33695, 41020, 41606, 45724, 47173, 57155, 67390, 83212, 94346, 104015, 114310, 134780, 145621, 188692, 208030, 228620, 235865, 291242, 416060, 471730, 478469, 582484, 728105, 943460, 956938, 1456210, 1913876, 2392345, 2912420, 3349283, 4784690, 6698566, 9569380, 13397132, 16746415, 33492830, 66985660]

約数ペア:

[(1, 66985660), (2, 33492830), (4, 16746415), (5, 13397132), (7, 9569380), (10, 6698566), (14, 4784690), (20, 3349283), (23, 2912420), (28, 2392345), (35, 1913876), (46, 1456210), (70, 956938), (71, 943460), (92, 728105), (115, 582484), (140, 478469), (142, 471730), (161, 416060), (230, 291242), (284, 235865), (293, 228620), (322, 208030), (355, 188692), (460, 145621), (497, 134780), (586, 114310), (644, 104015), (710, 94346), (805, 83212), (994, 67390), (1172, 57155), (1420, 47173), (1465, 45724), (1610, 41606), (1633, 41020), (1988, 33695), (2051, 32660), (2485, 26956), (2930, 22862), (3220, 20803), (3266, 20510), (4102, 16330), (4970, 13478), (5860, 11431), (6532, 10255), (6739, 9940), (8165, 8204)]