239706880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:922

約数の個数: 144

約数和(自身を含む): 678150144

約数和(自身を除く): 438443264

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, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 863, 868, 896, 992, 1085, 1120, 1240, 1280, 1726, 1736, 1792, 1984, 2170, 2240, 2480, 3452, 3472, 3968, 4315, 4340, 4480, 4960, 6041, 6904, 6944, 7936, 8630, 8680, 8960, 9920, 12082, 13808, 13888, 17260, 17360, 19840, 24164, 26753, 27616, 27776, 30205, 34520, 34720, 39680, 48328, 53506, 55232, 55552, 60410, 69040, 69440, 96656, 107012, 110464, 120820, 133765, 138080, 138880, 187271, 193312, 214024, 220928, 241640, 267530, 276160, 277760, 374542, 386624, 428048, 483280, 535060, 552320, 749084, 773248, 856096, 936355, 966560, 1070120, 1104640, 1498168, 1546496, 1712192, 1872710, 1933120, 2140240, 2996336, 3424384, 3745420, 3866240, 4280480, 5992672, 6848768, 7490840, 7732480, 8560960, 11985344, 14981680, 17121920, 23970688, 29963360, 34243840, 47941376, 59926720, 119853440, 239706880]

約数ペア:

[(1, 239706880), (2, 119853440), (4, 59926720), (5, 47941376), (7, 34243840), (8, 29963360), (10, 23970688), (14, 17121920), (16, 14981680), (20, 11985344), (28, 8560960), (31, 7732480), (32, 7490840), (35, 6848768), (40, 5992672), (56, 4280480), (62, 3866240), (64, 3745420), (70, 3424384), (80, 2996336), (112, 2140240), (124, 1933120), (128, 1872710), (140, 1712192), (155, 1546496), (160, 1498168), (217, 1104640), (224, 1070120), (248, 966560), (256, 936355), (280, 856096), (310, 773248), (320, 749084), (434, 552320), (448, 535060), (496, 483280), (560, 428048), (620, 386624), (640, 374542), (863, 277760), (868, 276160), (896, 267530), (992, 241640), (1085, 220928), (1120, 214024), (1240, 193312), (1280, 187271), (1726, 138880), (1736, 138080), (1792, 133765), (1984, 120820), (2170, 110464), (2240, 107012), (2480, 96656), (3452, 69440), (3472, 69040), (3968, 60410), (4315, 55552), (4340, 55232), (4480, 53506), (4960, 48328), (6041, 39680), (6904, 34720), (6944, 34520), (7936, 30205), (8630, 27776), (8680, 27616), (8960, 26753), (9920, 24164), (12082, 19840), (13808, 17360), (13888, 17260)]