239150720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:386

約数の個数: 128

約数和(自身を含む): 612489600

約数和(自身を除く): 373338880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 71, 76, 80, 95, 128, 142, 152, 160, 190, 277, 284, 304, 320, 355, 380, 554, 568, 608, 640, 710, 760, 1108, 1136, 1216, 1349, 1385, 1420, 1520, 2216, 2272, 2432, 2698, 2770, 2840, 3040, 4432, 4544, 5263, 5396, 5540, 5680, 6080, 6745, 8864, 9088, 10526, 10792, 11080, 11360, 12160, 13490, 17728, 19667, 21052, 21584, 22160, 22720, 26315, 26980, 35456, 39334, 42104, 43168, 44320, 45440, 52630, 53960, 78668, 84208, 86336, 88640, 98335, 105260, 107920, 157336, 168416, 172672, 177280, 196670, 210520, 215840, 314672, 336832, 373673, 393340, 421040, 431680, 629344, 673664, 747346, 786680, 842080, 863360, 1258688, 1494692, 1573360, 1684160, 1868365, 2517376, 2989384, 3146720, 3368320, 3736730, 5978768, 6293440, 7473460, 11957536, 12586880, 14946920, 23915072, 29893840, 47830144, 59787680, 119575360, 239150720]

約数ペア:

[(1, 239150720), (2, 119575360), (4, 59787680), (5, 47830144), (8, 29893840), (10, 23915072), (16, 14946920), (19, 12586880), (20, 11957536), (32, 7473460), (38, 6293440), (40, 5978768), (64, 3736730), (71, 3368320), (76, 3146720), (80, 2989384), (95, 2517376), (128, 1868365), (142, 1684160), (152, 1573360), (160, 1494692), (190, 1258688), (277, 863360), (284, 842080), (304, 786680), (320, 747346), (355, 673664), (380, 629344), (554, 431680), (568, 421040), (608, 393340), (640, 373673), (710, 336832), (760, 314672), (1108, 215840), (1136, 210520), (1216, 196670), (1349, 177280), (1385, 172672), (1420, 168416), (1520, 157336), (2216, 107920), (2272, 105260), (2432, 98335), (2698, 88640), (2770, 86336), (2840, 84208), (3040, 78668), (4432, 53960), (4544, 52630), (5263, 45440), (5396, 44320), (5540, 43168), (5680, 42104), (6080, 39334), (6745, 35456), (8864, 26980), (9088, 26315), (10526, 22720), (10792, 22160), (11080, 21584), (11360, 21052), (12160, 19667), (13490, 17728)]