664818560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4787}}^1$

素因数の和:4844

約数の個数: 128

約数和(自身を含む): 1875363840

約数和(自身を除く): 1210545280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4787, 4960, 6944, 8680, 9574, 9920, 13888, 17360, 19148, 19840, 23935, 27776, 33509, 34720, 38296, 47870, 67018, 69440, 76592, 95740, 134036, 138880, 148397, 153184, 167545, 191480, 268072, 296794, 306368, 335090, 382960, 536144, 593588, 612736, 670180, 741985, 765920, 1038779, 1072288, 1187176, 1340360, 1483970, 1531840, 2077558, 2144576, 2374352, 2680720, 2967940, 3063680, 4155116, 4289152, 4748704, 5193895, 5361440, 5935880, 8310232, 9497408, 10387790, 10722880, 11871760, 16620464, 18994816, 20775580, 21445760, 23743520, 33240928, 41551160, 47487040, 66481856, 83102320, 94974080, 132963712, 166204640, 332409280, 664818560]

約数ペア:

[(1, 664818560), (2, 332409280), (4, 166204640), (5, 132963712), (7, 94974080), (8, 83102320), (10, 66481856), (14, 47487040), (16, 41551160), (20, 33240928), (28, 23743520), (31, 21445760), (32, 20775580), (35, 18994816), (40, 16620464), (56, 11871760), (62, 10722880), (64, 10387790), (70, 9497408), (80, 8310232), (112, 5935880), (124, 5361440), (128, 5193895), (140, 4748704), (155, 4289152), (160, 4155116), (217, 3063680), (224, 2967940), (248, 2680720), (280, 2374352), (310, 2144576), (320, 2077558), (434, 1531840), (448, 1483970), (496, 1340360), (560, 1187176), (620, 1072288), (640, 1038779), (868, 765920), (896, 741985), (992, 670180), (1085, 612736), (1120, 593588), (1240, 536144), (1736, 382960), (1984, 335090), (2170, 306368), (2240, 296794), (2480, 268072), (3472, 191480), (3968, 167545), (4340, 153184), (4480, 148397), (4787, 138880), (4960, 134036), (6944, 95740), (8680, 76592), (9574, 69440), (9920, 67018), (13888, 47870), (17360, 38296), (19148, 34720), (19840, 33509), (23935, 27776)]